AF10043 Delphi Mass Air Flow Sensor
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Delphi Mass Air Flow Sensor | AF10043

Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac
$95.48
Reg
$99.46
List
$151.18
In Stock Status
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Make Sure It Fits

P/N: AF10043 Delphi

The mass air flow sensor in your vehicle measures the volume and density of air entering the engine. The vehicle’s engine control module uses this measurement to determine the fuel needed to optimize combustion, engine power, and fuel economy.

Mass air flow sensors fail when they can no longer accurately measure the amount of air entering the engine. Dirty air entering the engine from a poor quality or clogged air filter or oil-contaminated air from a failed PCV valve can interfere with the mass air flow sensor’s ability to measure air. When this happens, the engine control module provides too much or too little fuel, causing excessively rich or lean engine running conditions that make the engine run rough, stall, and not start. If the engine control module determines the mass air flow sensor is faulty, it will turn on the check engine light and provide fuel to the engine based on a predetermined program to limit performance.

Faulty mass air flow sensors should always be replaced to restore engine performance and fuel economy. Unfortunately, mass air flow sensor cleaners often only restore mass air flow function temporarily. The solvent used to clean away dirt and debris from the sensor can erode sensor insulation, causing the sensor to short out shortly after use.

View more Delphi Mass Air Flow Sensors.

Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

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What This Delphi Mass Air Flow Sensor Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

Cadillac
04-05 - CTS V
Complete Assembly
00-05 - DeVille Base, DHS, DTS, Protection Series
Complete Assembly
00-02 - Eldorado ESC, ETC
Complete Assembly
02-06 - Escalade AWD
Complete Assembly
03-06 - Escalade ESV
Complete Assembly
02-06 - Escalade EXT
Complete Assembly
02-06 - Escalade RWD
Complete Assembly
00-04 - Seville SLS, STS
Complete Assembly
Chevrolet
06-06 - Avalanche 1500 Z66, Z71
Complete Assembly; Fuel Type: FLEX
06-06 - Avalanche 1500 4WD LS, LT
Complete Assembly; Fuel Type: FLEX
06-06 - Avalanche 1500 RWD LS, LT
Complete Assembly; Fuel Type: FLEX
04-06 - Avalanche 2500 Base, LS, LT
Complete Assembly
02-03 - Avalanche 2500 4WD
Complete Assembly
02-03 - Avalanche 2500 RWD
Complete Assembly
01-07 - Corvette Base, Z06
Complete Assembly
02-04 - Corvette Base, 50th Anniversary Edition, 50th Anniversary Edition Pace Car, Z06
Complete Assembly; Engine VIN: G
03-06 - Silverado 1500 SS, Z71
Complete Assembly
99-06 - Silverado 1500 4WD Base, Hybrid, LS, LT, WT
Complete Assembly
07-07 - Silverado 1500 4WD LT, LTZ
Complete Assembly; Engine VIN: N
07-07 - Silverado 1500 4WD LT, WT
Complete Assembly; Engine VIN: V
07-07 - Silverado 1500 4WD LT, LTZ, WT
Complete Assembly; Engine VIN: Z
05-05 - Silverado 1500 AWD SS
Complete Assembly
01-06 - Silverado 1500 HD 4WD Base, LS, LT
Complete Assembly
01-06 - Silverado 1500 HD RWD Base, LS, LT
Complete Assembly
99-06 - Silverado 1500 RWD Base, Hybrid, LS, LT, SS & more
Complete Assembly
07-07 - Silverado 1500 RWD LT, LTZ
Complete Assembly; Engine VIN: N
07-07 - Silverado 1500 RWD LT, WT
Complete Assembly; Engine VIN: V
GMC
02-06 - Sierra 1500 Denali
Complete Assembly
99-06 - Sierra 1500 4WD Base, HT, Hybrid, SL, SLE & more
Complete Assembly
07-07 - Sierra 1500 4WD SLE, SLT
Complete Assembly; Engine VIN: N
07-07 - Sierra 1500 4WD SLE, WT
Complete Assembly; Engine VIN: V
07-07 - Sierra 1500 4WD SLE, SLT, WT
Complete Assembly; Engine VIN: Z
01-06 - Sierra 1500 HD 4WD SLE, SLT
Complete Assembly
01-06 - Sierra 1500 HD RWD SLE, SLT
Complete Assembly
99-06 - Sierra 1500 RWD Base, HT, Hybrid, SL, SLE & more
Complete Assembly
07-07 - Sierra 1500 RWD SLE, SLT
Complete Assembly; Engine VIN: N
07-07 - Sierra 1500 RWD SLE, WT
Complete Assembly; Engine VIN: V
07-07 - Sierra 1500 RWD SLE, SLT, WT
Complete Assembly; Engine VIN: Z
99-04 - Sierra 2500 4WD Base, SL, SLE, SLT, WT
Complete Assembly
01-06 - Sierra 2500 HD 4WD Base, SL, SLE, SLT, WT
Complete Assembly
07-07 - Sierra 2500 HD 4WD SLE, SLT, WT
Complete Assembly; Engine VIN: U
01-06 - Sierra 2500 HD RWD Base, SL, SLE, SLT, WT
Complete Assembly
07-07 - Sierra 2500 HD RWD SLE, SLT, WT
Complete Assembly; Engine VIN: U
99-04 - Sierra 2500 RWD Base, SL, SLE, SLT, WT
Complete Assembly
01-06 - Sierra 3500 4WD Base, SL, SLE, SLT, WT
Complete Assembly
01-06 - Sierra 3500 RWD Base, SL, SLE, SLT, WT
Complete Assembly
Oldsmobile
01-03 - Aurora
Complete Assembly
Pontiac
05-05 - Bonneville GXP
Complete Assembly
05-06 - GTO
Complete Assembly