2001 Buick Century Oxygen Sensor

Part Name: Oxygen SensorBrand: Spectra PremiumPart#: OS5047

Spectra Premium Oxygen Sensor OS5047 - Upstream

Position: Upstream

Description:

Oxygen Sensor

Features:

Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium oxygen sensors meet or exceed the performance of the original equipment they replace.

Condition: New

Fitments
This Part Fits Following 2001 Buick Century Engines.
Engine Sub Model Position
3.1L V6 Custom, Limited Upstream

Engine	Sub Model	Position
3.1L V6	Custom, Limited	Upstream

Part Interchange

Part Number
5S3121
15896, 15629, 15546, 13193, 15125
12559850, 12561776, 12562943, 12567254, 12590789
25024269
OS2009, OS2248, OS2199, OS2131, OS2013
S2024
SN4128
2344650, 2344343
213819, 213817, 213802, 2132826, 2131529
SU1341
8972873520
SG1415, SG1366, SG1298, SG1856, SG1856T, SG537T, SG533T, SG1614T, SG1415T, SG1366T, SG1298T, SG537, SG533, SG1614
21516
ES20319, ES10620
753030, 754057, 751900, 753269

Warranty & Easy Return
Manufacturer’s Warranty : Limited Lifetime Warranty
You can return the part within 30 days for any reasons.
After 30 days, all parts are covered under manufacturer’s warranty.
Refunds get issued within 24 to 48 hours to your mode of payment after return part received.

Part Name: Oxygen SensorBrand: Spectra PremiumPart#: OS5046

2001 Buick Century Oxygen Sensor SQ OS5046

Spectra Premium Oxygen Sensor OS5046 - Downstream

Position: Downstream

Description:

Oxygen Sensor

Features:

Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium oxygen sensors meet or exceed the performance of the original equipment they replace.

Condition: New

Fitments
This Part Fits Following 2001 Buick Century Engines.
Engine Sub Model Position
3.1L V6 Custom, Limited Downstream

Engine	Sub Model	Position
3.1L V6	Custom, Limited	Downstream

Part Interchange

Part Number
5S3126
13481, 13444, 13014
12578459, 12587214, 19178747, 19178922, 19178924, 25312196, 25312207, 25318321
25024340
OS825, OS229
S2016
SN4113
2344087
2131681, AFS97, AFS141, AFS123, AFS116, 213938
SU1299
8125872140, 8191789240
SG277T, SG277
ES20002, ES10602, ES10544, ES10088, ES10014, ES10009
21528
751909

Warranty & Easy Return
Manufacturer’s Warranty : Limited Lifetime Warranty
You can return the part within 30 days for any reasons.
After 30 days, all parts are covered under manufacturer’s warranty.
Refunds get issued within 24 to 48 hours to your mode of payment after return part received.

Part Name: Oxygen SensorBrand: WalkerPart#: 350-34076

2001 Buick Century Oxygen Sensor O2 350-34076

Walker Oxygen Sensor 350-34076 - Downstream

Position: Downstream

Description:

Oxygen Sensor Walker O235034076

Features:

Walker Premium Oxygen Sensors are 100% OEM Quality. Oxygen Sensors are designed to determine the oxygen concentration in exhaust gas. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements. These superior sensors feature only the highest quality material available. Replacing an improperly functioning oxygen sensor with a Walker sensor will increase fuel economy, improve engine performance, and produce lower emissions.
Walker Premium Oxygen Sensors are 100% OEM Quality. Walker Oxygen Sensors are Precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements.

Condition: New

Fitments
This Part Fits Following 2001 Buick Century Engines.
Engine Sub Model Notes Fit Notes Position
3.1L V6 Custom, Limited Downstream - Walker Aftermarket Fuel Delivery Type: FI - Fuel Type: GAS Downstream
Warranty & Easy Return
Manufacturer’s Warranty : 90 days
You can return the part within 30 days for any reasons.
After 30 days, all parts are covered under manufacturer’s warranty or 2 years whichever is the highest.
Refunds get issued within 24 to 48 hours to your mode of payment after return part received.

Engine	Sub Model	Notes	Fit Notes	Position
3.1L V6	Custom, Limited	Downstream - Walker Aftermarket	Fuel Delivery Type: FI - Fuel Type: GAS	Downstream

Part Name: Oxygen SensorBrand: DensoPart#: 234-4087

2001 Buick Century Oxygen Sensor NP 234-4087

Denso Oxygen Sensor 234-4087 - Downstream

Position: Downstream

Description:

4 Wire Direct Fit Heated Wire Length 122

Part Specifications:

Wiring Harness Length : 12.20
Sensor Type : Heated
Universal Or Specific Fit : Specific
Wire Quantity : 4
Connector Gender : Female
Thread Diameter : 0.708
Mounting Type : Threaded

Features:

DENSO oxygen sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO's exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.

Condition: New

Fitments
This Part Fits Following 2001 Buick Century Engines.
Engine Sub Model Notes Position
3.1L V6 Custom, Limited O.E. Quality Replacement Sensor - OE Style Downstream
Warranty & Easy Return
Manufacturer’s Warranty : 12 months on A/C Evaporator Cores, A/C Compressors, A/C Compressor Clutches, A/C Condensers, Radiators, Fuel Injectors, Fuel Pumps, Fuel Tank Sending Units, Ignition Coils (COP), Alternators, Starters, and Mass Air Flow Sensors. Parts subject to normal wear and tear are not covered (Filters, Ignition Wires, Oxygen Sensors, Spark Plugs, Wiper Blades, etc.).
You can return the part within 30 days for any reasons.
After 30 days, all parts are covered under manufacturer’s warranty or 2 years whichever is the highest.
Refunds get issued within 24 to 48 hours to your mode of payment after return part received.

Engine	Sub Model	Notes	Position
3.1L V6	Custom, Limited	O.E. Quality Replacement Sensor - OE Style	Downstream

Part Name: Oxygen SensorBrand: DensoPart#: 234-4650

2001 Buick Century Oxygen Sensor NP 234-4650

Denso Oxygen Sensor 234-4650 - Upstream

Position: Upstream

Description:

4 Wire Direct Fit Heated Wire Length 1555

Part Specifications:

Wiring Harness Length : 15.55
Sensor Type : Heated
Universal Or Specific Fit : Specific
Wire Quantity : 4
Connector Gender : Male
Thread Diameter : 0.708
Mounting Type : Threaded

Features:

DENSO oxygen sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO's exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.

Condition: New

Fitments
This Part Fits Following 2001 Buick Century Engines.
Engine Sub Model Notes Position
3.1L V6 Custom, Limited DENSO is the O.E. Manufacturer / Oxygen Sensor - OE Style Upstream
Warranty & Easy Return
Manufacturer’s Warranty : 12 months on A/C Evaporator Cores, A/C Compressors, A/C Compressor Clutches, A/C Condensers, Radiators, Fuel Injectors, Fuel Pumps, Fuel Tank Sending Units, Ignition Coils (COP), Alternators, Starters, and Mass Air Flow Sensors. Parts subject to normal wear and tear are not covered (Filters, Ignition Wires, Oxygen Sensors, Spark Plugs, Wiper Blades, etc.).
You can return the part within 30 days for any reasons.
After 30 days, all parts are covered under manufacturer’s warranty or 2 years whichever is the highest.
Refunds get issued within 24 to 48 hours to your mode of payment after return part received.

Engine	Sub Model	Notes	Position
3.1L V6	Custom, Limited	DENSO is the O.E. Manufacturer / Oxygen Sensor - OE Style	Upstream

Part Name: Oxygen SensorBrand: WalkerPart#: 350-34412

2001 Buick Century Oxygen Sensor O2 350-34412

Walker Oxygen Sensor 350-34412 - Upstream

Position: Upstream

Description:

Oxygen Sensor Walker O235034412

Features:

Walker Premium Oxygen Sensors are 100% OEM Quality. Oxygen Sensors are designed to determine the oxygen concentration in exhaust gas. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements. These superior sensors feature only the highest quality material available. Replacing an improperly functioning oxygen sensor with a Walker sensor will increase fuel economy, improve engine performance, and produce lower emissions.
Walker Premium Oxygen Sensors are 100% OEM Quality. Walker Oxygen Sensors are Precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements.

Condition: New

Fitments
This Part Fits Following 2001 Buick Century Engines.
Engine Sub Model Notes Fit Notes Position
3.1L V6 Custom, Limited Upstream - Walker Aftermarket Fuel Delivery Type: FI - Fuel Type: GAS Upstream
Warranty & Easy Return
Manufacturer’s Warranty : 90 days
You can return the part within 30 days for any reasons.
After 30 days, all parts are covered under manufacturer’s warranty or 2 years whichever is the highest.
Refunds get issued within 24 to 48 hours to your mode of payment after return part received.

Engine	Sub Model	Notes	Fit Notes	Position
3.1L V6	Custom, Limited	Upstream - Walker Aftermarket	Fuel Delivery Type: FI - Fuel Type: GAS	Upstream

Part Name: Oxygen SensorBrand: DensoPart#: 234-4000

2001 Buick Century Oxygen Sensor NP 234-4000

Denso Oxygen Sensor 234-4000 - Downstream

Position: Downstream

Description:

4 Wire Universal Heated Wire Length 1177

Part Specifications:

Wiring Harness Length : 11.77
Sensor Type : Heated
Universal Or Specific Fit : Universal
Wire Quantity : 4
Thread Diameter : 0.708
Mounting Type : Threaded

Features:

DENSO oxygen sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO's exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.

Condition: New

Fitments
This Part Fits Following 2001 Buick Century Engines.
Engine Sub Model Notes Position
3.1L V6 Custom, Limited O.E. Quality Universal Replacement Sensor - Universal Downstream
Warranty & Easy Return
Manufacturer’s Warranty : 12 months on A/C Evaporator Cores, A/C Compressors, A/C Compressor Clutches, A/C Condensers, Radiators, Fuel Injectors, Fuel Pumps, Fuel Tank Sending Units, Ignition Coils (COP), Alternators, Starters, and Mass Air Flow Sensors. Parts subject to normal wear and tear are not covered (Filters, Ignition Wires, Oxygen Sensors, Spark Plugs, Wiper Blades, etc.).
You can return the part within 30 days for any reasons.
After 30 days, all parts are covered under manufacturer’s warranty or 2 years whichever is the highest.
Refunds get issued within 24 to 48 hours to your mode of payment after return part received.

Engine	Sub Model	Notes	Position
3.1L V6	Custom, Limited	O.E. Quality Universal Replacement Sensor - Universal	Downstream

Part Name: Oxygen SensorBrand: WalkerPart#: 250-24269

2001 Buick Century Oxygen Sensor O2 250-24269

Walker Oxygen Sensor 250-24269 - Upstream

Position: Upstream

Description:

Oxygen Sensor Walker O225024269

Features:

Walker Premium Oxygen Sensors are 100% OEM Quality. Oxygen Sensors are designed to determine the oxygen concentration in exhaust gas. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements. These superior sensors feature only the highest quality material available. Replacing an improperly functioning oxygen sensor with a Walker sensor will increase fuel economy, improve engine performance, and produce lower emissions.
Walker Premium Oxygen Sensors are 100% OEM Quality. Walker Oxygen Sensors are Precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements.

Condition: New

Fitments
This Part Fits Following 2001 Buick Century Engines.
Engine Sub Model Notes Fit Notes Position
3.1L V6 Custom, Limited Upstream - Walker OE Fuel Delivery Type: FI - Fuel Type: GAS Upstream
Warranty & Easy Return
Manufacturer’s Warranty : 90 days
You can return the part within 30 days for any reasons.
After 30 days, all parts are covered under manufacturer’s warranty or 2 years whichever is the highest.
Refunds get issued within 24 to 48 hours to your mode of payment after return part received.

Engine	Sub Model	Notes	Fit Notes	Position
3.1L V6	Custom, Limited	Upstream - Walker OE	Fuel Delivery Type: FI - Fuel Type: GAS	Upstream

Part Name: Oxygen SensorBrand: WalkerPart#: 250-24340

2001 Buick Century Oxygen Sensor O2 250-24340

Walker Oxygen Sensor 250-24340 - Downstream

Position: Downstream

Description:

Oxygen Sensor Walker O225024340

Features:

Walker Premium Oxygen Sensors are 100% OEM Quality. Oxygen Sensors are designed to determine the oxygen concentration in exhaust gas. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements. These superior sensors feature only the highest quality material available. Replacing an improperly functioning oxygen sensor with a Walker sensor will increase fuel economy, improve engine performance, and produce lower emissions.
Walker Premium Oxygen Sensors are 100% OEM Quality. Walker Oxygen Sensors are Precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements.

Condition: New

Fitments
This Part Fits Following 2001 Buick Century Engines.
Engine Sub Model Notes Fit Notes Position
3.1L V6 Custom, Limited Downstream - Walker OE Fuel Delivery Type: FI - Fuel Type: GAS Downstream
Warranty & Easy Return
Manufacturer’s Warranty : 90 days
You can return the part within 30 days for any reasons.
After 30 days, all parts are covered under manufacturer’s warranty or 2 years whichever is the highest.
Refunds get issued within 24 to 48 hours to your mode of payment after return part received.

Engine	Sub Model	Notes	Fit Notes	Position
3.1L V6	Custom, Limited	Downstream - Walker OE	Fuel Delivery Type: FI - Fuel Type: GAS	Downstream

Part Name: Oxygen SensorBrand: DensoPart#: 234-4209

2001 Buick Century Oxygen Sensor NP 234-4209

Denso Oxygen Sensor 234-4209 - Upstream

Position: Upstream

Description:

4 Wire Universal Heated Wire Length 1177

Part Specifications:

Wiring Harness Length : 11.77
Sensor Type : Heated
Universal Or Specific Fit : Universal
Wire Quantity : 4
Thread Diameter : 0.708
Mounting Type : Threaded

Features:

DENSO oxygen sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO's exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.

Condition: New

Fitments
This Part Fits Following 2001 Buick Century Engines.
Engine Sub Model Notes Position
3.1L V6 Custom, Limited O.E. Quality Universal Replacement Sensor - Universal Upstream
Warranty & Easy Return
Manufacturer’s Warranty : 12 months on A/C Evaporator Cores, A/C Compressors, A/C Compressor Clutches, A/C Condensers, Radiators, Fuel Injectors, Fuel Pumps, Fuel Tank Sending Units, Ignition Coils (COP), Alternators, Starters, and Mass Air Flow Sensors. Parts subject to normal wear and tear are not covered (Filters, Ignition Wires, Oxygen Sensors, Spark Plugs, Wiper Blades, etc.).
You can return the part within 30 days for any reasons.
After 30 days, all parts are covered under manufacturer’s warranty or 2 years whichever is the highest.
Refunds get issued within 24 to 48 hours to your mode of payment after return part received.

Engine	Sub Model	Notes	Position
3.1L V6	Custom, Limited	O.E. Quality Universal Replacement Sensor - Universal	Upstream

Part Name: Oxygen SensorBrand: NGKPart#: 21528

2001 Buick Century Oxygen Sensor NO 21528

NGK Oxygen Sensor 21528 - Downstream

Position: Downstream

Description:

NTK OE Type Oxygen Sensor

Part Specifications:

Wiring Harness Length : 12.5000
Sensor Type : Heated
Universal Or Specific Fit : Specific
Wire Quantity : 4
Thread Diameter : 18.000
Mounting Type : Threaded

Condition: New

Fitments
This Part Fits Following 2001 Buick Century Engines.
Engine Sub Model Notes Position
3.1L V6 Custom, Limited B1S2 - OE Replacement - Direct Fit Oxygen Sensor Downstream
Warranty & Easy Return
Manufacturer’s Warranty : 60 Days
You can return the part within 30 days for any reasons.
After 30 days, all parts are covered under manufacturer’s warranty or 2 years whichever is the highest.
Refunds get issued within 24 to 48 hours to your mode of payment after return part received.

Engine	Sub Model	Notes	Position
3.1L V6	Custom, Limited	B1S2 - OE Replacement - Direct Fit Oxygen Sensor	Downstream

Part Name: Oxygen SensorBrand: NGKPart#: 21516

2001 Buick Century Oxygen Sensor NO 21516

NGK Oxygen Sensor 21516 - Upstream

Position: Upstream

Description:

NTK OE Type Oxygen Sensor

Part Specifications:

Wiring Harness Length : 15.7500
Sensor Type : Heated
Universal Or Specific Fit : Specific
Wire Quantity : 4
Thread Diameter : 18.000
Mounting Type : Threaded

Condition: New

Fitments
This Part Fits Following 2001 Buick Century Engines.
Engine Sub Model Notes Position
3.1L V6 Custom, Limited B1S1 - OE Replacement - Direct Fit Oxygen Sensor Upstream
Warranty & Easy Return
Manufacturer’s Warranty : 60 Days
You can return the part within 30 days for any reasons.
After 30 days, all parts are covered under manufacturer’s warranty or 2 years whichever is the highest.
Refunds get issued within 24 to 48 hours to your mode of payment after return part received.

Engine	Sub Model	Notes	Position
3.1L V6	Custom, Limited	B1S1 - OE Replacement - Direct Fit Oxygen Sensor	Upstream

Part Name: Oxygen SensorBrand: DelphiPart#: ES20319

2001 Buick Century Oxygen Sensor DE ES20319

Delphi Oxygen Sensor ES20319 - Front

Position: Front

Description:

Oxygen Sensor

Part Specifications:

Inspection Interval : 150,000 miles
Connector Shape/Type : Square-4 Blade
Location : Upstream/Downstream
Number of Wires : 4
Overall Length : 310 mm
Thread : 18 x 1.5 mm
Type/Series : Heated
Wrench Size : 7/8 in.
Meets or Exceeds Original Equipment Manufacture Specifications : Yes

Features:

OE connectors and wire lengths within 3 inches of OE specifications; Unique sensor coatings to resist contamination; Long lasting reliable operation

Condition: New

Fitments
This Part Fits Following 2001 Buick Century Engines.
Engine Sub Model Notes Position
3.1L V6 Custom, Limited Wrench Size: 7/8 in - Delphi is an OEM supplier Front

Engine	Sub Model	Notes	Position
3.1L V6	Custom, Limited	Wrench Size: 7/8 in - Delphi is an OEM supplier	Front

Part Interchange

Part Number
21539
REA1042
21516
21515
SG1415
SG533
REA1827
11280
15546
15896
13193
OS2451
OS2009
OS2248
FE80357
FE80596
213802
SU1341
2132826
2131529
5S4405
5S8160
SU1520
25024269
12567254
12558850
12559850
12590789
234-4343
234-4650
5S3121

Warranty & Easy Return
Manufacturer’s Warranty : 12 Months / 12,000 Miles
You can return the part within 30 days for any reasons.
After 30 days, all parts are covered under manufacturer’s warranty or 2 years whichever is the highest.
Refunds get issued within 24 to 48 hours to your mode of payment after return part received.

Part Name: Oxygen SensorBrand: DelphiPart#: ES20002

2001 Buick Century Oxygen Sensor DE ES20002

Delphi Oxygen Sensor ES20002 - Rear

Position: Rear

Description:

Oxygen Sensor

Part Specifications:

Inspection Interval : 150,000 miles
Connector Shape/Type : Square-4 Blade
Location : Upstream/Downstream
Number of Wires : 4
Meets or Exceeds Original Equipment Manufacture Specifications : Yes
Overall Length : 320 mm
Thread : 18 x 1.5 mm
Type/Series : Heated
Wrench Size : 7/8 in.

Features:

OE connectors and wire lengths within 3 inches of OE specifications; Unique sensor coatings to resist contamination; Long lasting reliable operation.

Condition: New

Fitments
This Part Fits Following 2001 Buick Century Engines.
Engine Sub Model Notes Position
3.1L V6 Custom, Limited Wrench Size: 7/8 in - Delphi is an OEM supplier Rear

Engine	Sub Model	Notes	Position
3.1L V6	Custom, Limited	Wrench Size: 7/8 in - Delphi is an OEM supplier	Rear

Part Interchange

Part Number
21544
21528
REA1010
11170
8-25312-207-0
SG277
FE6085
25318321
25327815
19178922
19178924
8-12587-214-0
8-19178-924-0
13444
OS229
138-266
138-217
138-752
OS1072
OS825
8-25164-983-0
DY-731
DY-734
DY-776
25312207
25312196
AFS141
AFS123
AFS97
AFS116
SU1087
2131681
5S8151
5S3125
5S8134
5S3119
5S3126
SU1189
SU1295
25132196
25161130
25132207
19178747
25164983
12578459
12587214
SU1299
25024340
234-4025
234-4087
5S3116

Warranty & Easy Return
Manufacturer’s Warranty : 12 Months / 12,000 Miles
You can return the part within 30 days for any reasons.
After 30 days, all parts are covered under manufacturer’s warranty or 2 years whichever is the highest.
Refunds get issued within 24 to 48 hours to your mode of payment after return part received.

My Vehicle:

2001 Buick Century Oxygen Sensor

Spectra Premium Oxygen Sensor OS5047 - Upstream

Description:

Features:

Spectra Premium Oxygen Sensor OS5046 - Downstream

Description:

Features:

Walker Oxygen Sensor 350-34076 - Downstream

Description:

Features:

Denso Oxygen Sensor 234-4087 - Downstream

Description:

Part Specifications:

Features:

Denso Oxygen Sensor 234-4650 - Upstream

Description:

Part Specifications:

Features:

Walker Oxygen Sensor 350-34412 - Upstream

Description:

Features:

Denso Oxygen Sensor 234-4000 - Downstream

Description:

Part Specifications:

Features:

Walker Oxygen Sensor 250-24269 - Upstream

Description:

Features:

Walker Oxygen Sensor 250-24340 - Downstream

Description:

Features:

Denso Oxygen Sensor 234-4209 - Upstream

Description:

Part Specifications:

Features:

NGK Oxygen Sensor 21528 - Downstream

Description:

Part Specifications:

NGK Oxygen Sensor 21516 - Upstream

Description:

Part Specifications:

Delphi Oxygen Sensor ES20319 - Front

Description:

Part Specifications:

Features:

Delphi Oxygen Sensor ES20002 - Rear

Description:

Part Specifications:

Features:

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