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Oxygen Sensor-VIN: W NGK 21539
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Order Processing Time
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PART DETAILS
Brand
NGK
Part Number
21539
Item Description
Direct Fit Oxygen Sensor
Quantity Needed
2


ITEM SPECIFICS
Description
NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.
OE/OEM Part Number
25161128,25163080,25164488,25178022,25312194,25312201,25312203,25312211,25315373,QDY5,19178116,19178935,19178945,19178958,19178116,25163080,25312194,25312201,25312203,25178022,25312203,25312211,25315373,25312203,
Type
Oxygen Sensor
See Item Specifics section for additional specifications about this part.
Vehicle Fitment Summary
To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table. Also review the notes section in the compatibility chart for additional specifications about this part.

This part generally fits Buick,Cadillac,Chevrolet,GMC,Oldsmobile,Pontiac vehicles and includes models such as 88,Achieva,Alero,Ast ro,Aurora,Avalanche 1500,Bonneville,C1500 Suburban,C1500,C2500 Suburban,C2500,C3500,C3500HD,Camaro,Century,Cutlass Supreme,Cutlass ,DeVille,Eldorado,Escalade EXT,Escalade,Express 1500,Express 2500,Express 3500,Firebird,G30,G3500,Grand Am,Grand Prix,Impala,Intri gue,K1500 Suburban,K1500,K2500 Suburban,K2500,K3500,LeSabre,LSS,Lumina,Malibu,Montana,Monte Carlo,P30,P3500,Park Avenue,Regal,Rege ncy,Riviera,Safari,Savana 1500,Savana 2500,Savana 3500,Seville,Sierra 1500 HD,Sierra 1500,Sierra 2500 HD,Sierra 2500,Sierra 3500,S ilhouette,Silverado 1500 HD,Silverado 1500,Silverado 2500 HD,Silverado 2500,Silverado 3500,Skylark,Suburban 1500,Suburban 2500,Tah oe,Trans Sport,Venture,Yukon XL 1500,Yukon XL 2500,Yukon with the trims of 25th Anniversary Edition Sedan 4-Door,400 SS Standard C ab Pickup 2-Door,50th Anniversary Edition Sedan 4-Door,Austera Standard Cab Pickup 2-Door,Base Cab & Chassis - Conventional 2- Door,Base Cab & Chassis - Crew Cab 4-Door,Base Cab & Chassis 2-Door,Base Cab & Chassis 4-Door,Base Convertible 2-Door, Base Coupe 2-Door,Base Crew Cab Pickup 4-Door,Base Cutaway Van 2-Door,Base Extended Cab Pickup 2-Door,Base Extended Cab Pickup 3-D oor,Base Extended Cab Pickup 4-Door,Base Extended Cargo Van 3-Door,Base Extended Passenger Van 3-Door,Base Limousine 4-Door,Base M ini Cargo Van 4-Door,Base Mini Passenger Van 3-Door,Base Mini Passenger Van 4-Door,Base Motorhome - Cutaway,Base Motorhome - Strip ped Chassis,Base Sedan 2-Door,Base Sedan 4-Door,Base Sport Utility 2-Door,Base Sport Utility 4-Door,Base Standard Cab Pickup 2-Doo r,Base Standard Cargo Van 3-Door,Base Standard Cargo Van 5-Door,Base Standard Passenger Van 3-Door,Base Stripped Chassis,Beauville Extended Passenger Van 3-Door,Beauville Standard Passenger Van 3-Door,C3 Extended Cab Pickup 4-Door,Chevy Van Cutaway Van 2-Door, Chevy Van Extended Cargo Van 3-Door,Chevy Van Standard Cargo Van 3-Door,Cheyenne Cab & Chassis 2-Door,Cheyenne Cab & Chass is 4-Door,Cheyenne Crew Cab Pickup 4-Door,Cheyenne Extended Cab Pickup 2-Door,Cheyenne Extended Cab Pickup 3-Door,Cheyenne Standar d Cab Pickup 2-Door,Concours Sedan 4-Door,Custom Coupe 2-Door,Custom Sedan 4-Door,Custom Standard Cab Pickup 2-Door,d'Elegance Sed an 4-Door,Denali Sport Utility 4-Door,ESC Coupe 2-Door,ETC Coupe 2-Door,GL Coupe 2-Door,GL Mini Passenger Van 3-Door,GL Mini Passe nger Van 4-Door,GL Sedan 4-Door,GLS Coupe 2-Door,GLS Mini Passenger Van 3-Door,GLS Mini Passenger Van 4-Door,GLS Sedan 4-Door,Gran Sport Coupe 2-Door,Gran Sport Sedan 4-Door,GS Mini Passenger Van 4-Door,GS Sedan 4-Door,GSE Sedan 4-Door,GT Coupe 2-Door,GT Sedan 4-Door,GT1 Coupe 2-Door,GT1 Sedan 4-Door,GTP Coupe 2-Door,GTP Sedan 4-Door,GX Coupe 2-Door,GX Sedan 4-Door,Hi-Cube Cutaway Van 2- Door,HT Standard Cab Pickup 2-Door,Indianapolis 500 Pace Car Coupe 2-Door,Limited Coupe 2-Door,Limited Sedan 4-Door,Limited Sport Utility 4-Door,LS Cab & Chassis 2-Door,LS Cab & Chassis 4-Door,LS Coupe 2-Door,LS Crew Cab Pickup 4-Door,LS Extended Cab P ickup 2-Door,LS Extended Cab Pickup 3-Door,LS Extended Cab Pickup 4-Door,LS Extended Passenger Van 3-Door,LS Mini Passenger Van 3- Door,LS Mini Passenger Van 4-Door,LS Sedan 4-Door,LS Sport Sedan 4-Door,LS Sport Utility 2-Door,LS Sport Utility 4-Door,LS Standar d Cab Pickup 2-Door,LS Standard Passenger Van 3-Door,LSE Sedan 4-Door,LT Cab & Chassis 2-Door,LT Crew Cab Pickup 4-Door,LT Ext ended Cab Pickup 2-Door,LT Extended Cab Pickup 3-Door,LT Extended Cab Pickup 4-Door,LT Extended Passenger Van 3-Door,LT Mini Passe nger Van 4-Door,LT Sport Utility 2-Door,LT Sport Utility 4-Door,LT Standard Passenger Van 3-Door,LTZ Sedan 4-Door,Lujo Convertible 2-Door,Lujo Coupe 2-Door,Magnavan Cutaway Van 2-Door,Montana Mini Passenger Van 3-Door,Montana Mini Passenger Van 4-Door,North Fa ce Crew Cab Pickup 4-Door,On Road Edition Crew Cab Pickup 4-Door,Plus Mini Passenger Van 4-Door,Police Sedan 4-Door,Premiere Mini Passenger Van 4-Door,Rally Camper Special Cutaway Van 2-Door,Rally Extended Passenger Van 3-Door,Rally Standard Passenger Van 3-Do or,Rally STX Extended Passenger Van 3-Door,Rally STX Standard Passenger Van 3-Door,Royale LS Sedan 4-Door,Royale Sedan 4-Door,RS C onvertible 2-Door,RS Coupe 2-Door,S Sedan 4-Door,SC Coupe 2-Door,SE Coupe 2-Door,SE Sedan 4-Door,SE1 Coupe 2-Door,SE1 Sedan 4-Door ,SE2 Coupe 2-Door,SE2 Sedan 4-Door,Sierra GT Standard Cab Pickup 2-Door,Sierra SL Cab & Chassis 2-Door,Sierra SL Cab & Cha ssis 4-Door,Sierra SL Crew Cab Pickup 4-Door,Sierra SL Extended Cab Pickup 2-Door,Sierra SL Extended Cab Pickup 3-Door,Sierra SL S tandard Cab Pickup 2-Door,Sierra SLE Cab & Chassis 2-Door,Sierra SLE Cab & Chassis 4-Door,Sierra SLE Crew Cab Pickup 4-Doo r,Sierra SLE Extended Cab Pickup 2-Door,Sierra SLE Extended Cab Pickup 3-Door,Sierra SLE Standard Cab Pickup 2-Door,Sierra SLT Cab & Chassis 2-Door,Sierra SLT Cab & Chassis 4-Door,Sierra SLT Crew Cab Pickup 4-Door,Sierra SLT Extended Cab Pickup 2-Door, Sierra SLT Extended Cab Pickup 3-Door,Sierra SLT Standard Cab Pickup 2-Door,Sierra Special Standard Cab Pickup 2-Door,Silverado Ca b & Chassis 2-Door,Silverado Cab & Chassis 4-Door,Silverado Crew Cab Pickup 4-Door,Silverado Extended Cab Pickup 2-Door,Si lverado Extended Cab Pickup 3-Door,Silverado Standard Cab Pickup 2-Door,SL Cab & Chassis 2-Door,SL Cab & Chassis 4-Door,SL Coupe 2-Door,SL Crew Cab Pickup 4-Door,SL Extended Cab Pickup 2-Door,SL Extended Cab Pickup 3-Door,SL Extended Cab Pickup 4-Door, SL Extended Cargo Van 3-Door,SL Sedan 4-Door,SL Sport Utility 2-Door,SL Standard Cab Pickup 2-Door,SL Standard Cargo Van 3-Door,SL E Cab & Chassis 2-Door,SLE Cab & Chassis 4-Door,SLE Crew Cab Pickup 4-Door,SLE Extended Cab Pickup 2-Door,SLE Extended Cab Pickup 3-Door,SLE Extended Cab Pickup 4-Door,SLE Extended Cargo Van 3-Door,SLE Extended Passenger Van 3-Door,SLE Sedan 4-Door,SLE Sport Utility 2-Door,SLE Sport Utility 4-Door,SLE Standard Cab Pickup 2-Door,SLE Standard Passenger Van 3-Door,SLS Sedan 4-Door,S LT Cab & Chassis 2-Door,SLT Crew Cab Pickup 4-Door,SLT Extended Cab Pickup 2-Door,SLT Extended Cab Pickup 3-Door,SLT Extended Cab Pickup 4-Door,SLT Extended Passenger Van 3-Door,SLT Sport Utility 2-Door,SLT Sport Utility 4-Door,SLT Standard Passenger Van 3 -Door,SLX Extended Passenger Van 3-Door,SLX Standard Passenger Van 3-Door,Sportvan Extended Passenger Van 3-Door,Sportvan Standard Passenger Van 3-Door,SS 35th Anniversary Edition Coupe 2-Door,SS Coupe 2-Door,SS Dale Earnhardt Signature Edition Coupe 2-Door,SS High Sport Coupe 2-Door,SS Pace Car Coupe 2-Door,SSE Sedan 4-Door,SSEi Sedan 4-Door,STS Sedan 4-Door,Ultra Sedan 4-Door,Value Min i Passenger Van 4-Door,Vandura Extended Cargo Van 3-Door,Vandura Special Cutaway Van 2-Door,Vandura Standard Cargo Van 3-Door,Warn er Bros. Mini Passenger Van 4-Door,WT Standard Cab Pickup 2-Door,Z34 Coupe 2-Door,Z71 Crew Cab Pickup 4-Door,Z71 Sport Utility 4-D oor. The engine types may include 3.1L 189Cu. In. V6 GAS OHV Naturally Aspirated,3.4L 207Cu. In. V6 GAS DOHC Naturally Aspirated,3 .4L 207Cu. In. V6 GAS OHV Naturally Aspirated,3.5L 214Cu. In. V6 GAS DOHC Naturally Aspirated,3.8L 3800CC 231Cu. In. V6 GAS OHV Na turally Aspirated,3.8L 3800CC 231Cu. In. V6 GAS OHV Supercharged,4.0L 244Cu. In. V8 GAS DOHC Naturally Aspirated,4.3L 262Cu. In. V 6 GAS OHV Naturally Aspirated,4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated,4.8L 294Cu. In. V8 GAS OHV Naturally Aspirated,5.0L 305Cu. In. V8 GAS OHV Naturally Aspirated,5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated,5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated,5.7L 350Cu. In. V8 BI-FUEL OHV Naturally Aspirated,5.7L 350Cu. In. V8 CNG OHV Naturally Aspirated,5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated,6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated,7.4L 454Cu. In. V8 GAS OHV Naturally Asp irated. This part fits vehicles made in the following years 1996,1997,1998,1999,2000,2001,2002,2003.

To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table. Also review the notes section in the compatibility chart for additional specifications about this part.

Interchange Part Numbers
This item may interchange to the following part numbers from other brands. This is provided for reference only and does not guarantee that the part your are buying is identical to the part numbers from the brands listed below. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
Brand
ACDELCO GM ORIGINAL EQUIPMENT CANADA, ACDELCO GM ORIGINAL EQUIPMENT, ACDELCO GOLD/PROFESSIONAL CANADA, ACDELCO GOLD/PROFESSIONAL, ACDELCO, ADVANCE/FRAM FULL SYNTHETIC ENGINE OIL, AUTOPART INTERNATIONAL, AUTOZONE/DENSO, BLUE STREAK WIRE, BWD AUTOMOTIVE, CARQUEST, DELCO REMY AMERICA, DELPHI, DENSO BASE NUMBERS, DENSO, GM GENUINE PARTS CANADA, GM GENUINE PARTS, HERKO AUTOMOTIVE, NGK USA STOCK NUMBERS, NGK USA/NTK SENSORS, NTK, OEXTRA, OMNICRAFT, PONTIAC OE, SPECTRA PREMIUM MOBILITY SOLUTIONS, STANDARD IMPORT, STANDARD MOTOR PRODUCTS, STANDARD T-SERIES, TGO4USA, WALKER PRODUCTS INC, WALKER
Part Numbers
19355306, 19355310, 213-1331, 21539, 234-4018, 250-24018, 25312203, 350-34525, 75-1726, AFS106, AFS109, AFS125, AFS135, AFS95, ES20000, ES20001, ES20319, NGK21539, OS5042, OS823, OX010, QDY5, REA1005, SG2124T, SG272, TGO-234-4018
ABOUT THE SELLER
*** PRODUCT IMAGES *** ALL IMAGES are Stock Images from the manufacturers catalog, and NOT actual pictures of the part you will receive. Although fit and finish may vary from some listing images, the images are a true representation of what is being sold. *** PRODUCT DETAILS *** Additional information about this specific part as it relates to YOUR VEHICLE can be found in the LEFT COLUMN on the Vehicle Compatibility chart ABOVE. You need to MOUSE OVER the left column to read the complete text. The Vehicle Compatibility Chart may not show well on some smart phones and mobile browsers. If you are having trouble seeing the year, make, model, AND NOTES information in the listing try viewing from a desktop browser. Any additional product information, if available, can be found directly on the part manufacturers website. *** SHIPPING AND DELIVERY *** 123AutoParts supply warehouses ship tens of thousands of part EVERY day from locations across the United States. Taking into account several factors, including the part size and destination address, our system ships your order (via UPS, FedEx, USPS, etc.) to balance out the lowest possible shipping cost with shortest delivery time. Getting orders filled and shipped quickly allows us to sell more parts, so rest assured your order will ship FAST. Online tracking may take up to 48 hours to update online. Ground Shipping delivery coast to coast takes anywhere from 3 to 10 business days, MOST of the time. NONE of our orders are shipped outside of this system, and all shipments MUST be delivered to a physical address deliverable by ALL carriers. If you have a PO Box or a Rural Address, sorry we will not be able to ship to you. Our commitment to selling high quality, top brand parts means you know you're getting the best value. If your looking to increase your gas mileage, get better engine performance, or help the environment 123AutoParts on eBay Motors is the place to BUY NOW.
WARRANTY
Warranty Duration
Lifetime
Warranty Type
Replacement Warranty
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