NTK
NTK Throttle Position Sensor TH0045
NTK Throttle Position Sensor TH0045
Part number: 89IQH
Regular price
$27.19 USD
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$27.19 USD
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Throttle Position Sensor TH0045 from NTK. The part number and specifications are listed below. A failed sensor usually sets a check-engine code and can cause poor running or wrong readings.
Quick facts
- Brand: NTK
- Part type: Sensor
Listed fitment
- 1997 - 2005 Buick Century Limited, Custom
- 2005 Buick Century Special Edition
- 1994 Buick Regal Base
- 1994 - 1996 Buick Regal Limited, Custom, Gran Sport
- 1996 Buick Regal Olympic Gold Edition
- 2002 - 2005 Buick Rendezvous CXL, CXL Plus, CX, CX Plus
- 2004 - 2005 Buick Rendezvous Ultra
- 1994 - 1998 Buick Skylark Custom
- 1994 - 1997 Buick Skylark Limited, Gran Sport
- 1996 Buick Skylark Olympic Gold Edition
- 1996 - 2005 Cadillac DeVille Base
- 1996 - 1999 Cadillac DeVille d'Elegance, Concours
- 2000 - 2005 Cadillac DeVille DHS, DTS
- 2004 - 2005 Cadillac DeVille Protection Series
- 2001 Cadillac DeVille STS
- 1996 - 1997 Cadillac Eldorado Base
- 1998 - 2002 Cadillac Eldorado ESC
- 1996 - 2002 Cadillac Eldorado ETC
- 1999 - 2002 Cadillac Escalade Base
- 2002 Cadillac Escalade EXT Base
- 1996 - 2004 Cadillac Seville SLS, STS
- 1996 - 2005 Chevrolet Astro Base, LS, LT
- 2002 Chevrolet Avalanche 1500 Base, LS, Z71, On Road Edition, North Face, LT
- 2002 Chevrolet Avalanche 2500 Base
- 1994 - 1996 Chevrolet Beretta Base, Z26
- 1996 - 2005 Chevrolet Blazer Base
- 1996 - 1997 Chevrolet Blazer Deluxe
- 1996 - 2004 Chevrolet Blazer LS
- 1996 - 2002 Chevrolet Blazer LT
- 2002 Chevrolet Blazer LTZ
- 1999 - 2001 Chevrolet Blazer Trailblazer
- 2001 - 2005 Chevrolet Blazer Xtreme
- 2003 - 2005 Chevrolet Blazer ZR2
- 1996 - 1997 Chevrolet C1500 Base
- 1999 Chevrolet C1500 LS
- 1996 - 1998 Chevrolet C1500 WT, Cheyenne, Silverado
- 1996 - 1999 Chevrolet C1500 Suburban LS, LT, Base
- 1996 - 2000 Chevrolet C2500 Base
- 1996 - 1998 Chevrolet C2500 Cheyenne, Silverado
- 1999 - 2000 Chevrolet C2500 LS
- …and 191 more
Good to know
- Warranty terms: Backed by a 3 year/36,000-mile warranty.
Tip: Read the code, check the wiring and connector, and clear codes after the new sensor is in.

NTK sensor: what to know
A failed sensor usually sets a check-engine code and can cause poor running or wrong readings.
Fitment notes
- Specs, lead time and warranty come from NTK and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentWhat else to plan for
- Connector and wiring. Corroded connectors mimic a bad sensor.
More for your car: Batteries & electrical · Batteries & electrical
Questions about sensor
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
Will a new sensor clear my check-engine light?
If the sensor was the cause, the light usually goes off after codes are cleared or after a few drive cycles.
Where do specs and warranty details come from?
From NTK. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
Questions & answers
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