Electronic Throttle Body For Cadillac Escalade & Chevrolet Avalanche/Express/Silverado 1500 – 87mm – OE2173151 – LOREADA

87mm Electronic Throttle Body – Cadillac Escalade & Chevrolet Avalanche/Express/Silverado 1500 | OE 2173151 LOREADA

$66.77 USD
Sale price  $66.77 USD Regular price 
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Electronic Throttle Body For Cadillac Escalade & Chevrolet Avalanche/Express/Silverado 1500 – 87mm – OE2173151 – LOREADA

87mm Electronic Throttle Body – Cadillac Escalade & Chevrolet Avalanche/Express/Silverado 1500 | OE 2173151 LOREADA

In stock
$66.77 USD
Sale price  $66.77 USD Regular price 
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Key Features

  • Compatible with American vehicles: Ford, Chevrolet, Dodge, Jeep
  • Heavy-duty construction for demanding applications
  • Meets or exceeds OEM specifications
  • Straightforward installation process
  • Built to last with quality materials

Product Information

Explore detailed specifications and features

Item Detail
Product Name Electronic Throttle Body
Bore Size 87mm
Housing Material Die-Cast Aluminum Alloy
Butterfly Valve Stainless Steel / Anodized Aluminum
Seals Viton
OE Numbers 2173151 / 12629992 / 12601387 / S20019 / 673013
Warranty 12 / 24 Months

  • Cadillac Escalade / Escalade ESV
  • Chevrolet Avalanche
  • Chevrolet Express 1500 / 2500 / 3500
  • Chevrolet Silverado 1500

This 87mm electronic throttle body is a direct OEM replacement for Cadillac Escalade/Escalade ESV and Chevrolet Avalanche, Express 1500/2500/3500, and Silverado 1500. Engineered to GM OEM specifications for precise throttle response and long-term reliability.


  • OEM-Grade Quality – Direct replacement, no wiring or programming required for most models.
  • 87mm Precision Bore – Factory-correct diameter for these GM V8 applications.
  • Dual Redundant TPS – Prevents idle fluctuations, hunting, and false error codes.
  • 100% Factory Tested – Thermal cycling, airtightness, and full-stroke angle calibration.

Specification Value
Bore Size 87mm
Housing Die-Cast Aluminum Alloy
OE Ref 2173151 / 12629992 / 12601387 / S20019 / 673013
Warranty 12 / 24 Months

Throttle idle relearn required after installation. Disconnect battery for 5 minutes, then: ignition ON 10 sec → OFF 10 sec → start engine, idle 3 min → turn off 1 min → restart and drive normally. Use GM MDI or Tech2 scanner for throttle body relearn if issues persist.


Confirm your vehicle model matches the listing.
Compare product photos with your original part.
Locate the original part number (OE) on your component.
Match this number with ours. Contact us with your part number if unsure.


Our price includes only the product and standard shipping. Buyers are responsible for all additional charges (e.g., customs duties, import fees, VAT, insurance). Customs policies vary by country – please check your local import regulations before ordering. If customs clearance fails due to the buyer’s reasons, the buyer will be fully responsible, and refunds will not be provided.

Item Detail
Product Name Electronic Throttle Body
Bore Size 87mm
Housing Material Die-Cast Aluminum Alloy
Butterfly Valve Stainless Steel / Anodized Aluminum
Seals Viton
OE Numbers 2173151 / 12629992 / 12601387 / S20019 / 673013
Warranty 12 / 24 Months

  • Cadillac Escalade / Escalade ESV
  • Chevrolet Avalanche
  • Chevrolet Express 1500 / 2500 / 3500
  • Chevrolet Silverado 1500

This 87mm electronic throttle body is a direct OEM replacement for Cadillac Escalade/Escalade ESV and Chevrolet Avalanche, Express 1500/2500/3500, and Silverado 1500. Engineered to GM OEM specifications for precise throttle response and long-term reliability.


  • OEM-Grade Quality – Direct replacement, no wiring or programming required for most models.
  • 87mm Precision Bore – Factory-correct diameter for these GM V8 applications.
  • Dual Redundant TPS – Prevents idle fluctuations, hunting, and false error codes.
  • 100% Factory Tested – Thermal cycling, airtightness, and full-stroke angle calibration.

Specification Value
Bore Size 87mm
Housing Die-Cast Aluminum Alloy
OE Ref 2173151 / 12629992 / 12601387 / S20019 / 673013
Warranty 12 / 24 Months

Throttle idle relearn required after installation. Disconnect battery for 5 minutes, then: ignition ON 10 sec → OFF 10 sec → start engine, idle 3 min → turn off 1 min → restart and drive normally. Use GM MDI or Tech2 scanner for throttle body relearn if issues persist.


Confirm your vehicle model matches the listing.
Compare product photos with your original part.
Locate the original part number (OE) on your component.
Match this number with ours. Contact us with your part number if unsure.


Our price includes only the product and standard shipping. Buyers are responsible for all additional charges (e.g., customs duties, import fees, VAT, insurance). Customs policies vary by country – please check your local import regulations before ordering. If customs clearance fails due to the buyer’s reasons, the buyer will be fully responsible, and refunds will not be provided.

WHY CHOOSE LOREADA

OEM Calibration

Self developed products Precision-engineered for stable idle and acceleration.

Factory Tested

Every unit tested before shipping for guaranteed reliability.

Global Shipping

Fast delivery worldwide with tracking provided.

Technical Support

Professional fitment assistance & Detailed explanation of the manual

Common Symptoms of a Bad Throttle Body

Rough Idle
Engine Stalling
Poor Acceleration
Throttle Delay
Check Engine Light
Reduced Fuel Efficiency

Frequently Asked Questions

Does this throttle body require programming?

No. In most compatible vehicles, this unit works as a direct replacement without additional programming.

Is gasket included?

Yes, the package includes the required gasket for installation.

What warranty do you offer?

LOREADA provides a 2-year limited warranty on this product.