Fuel Injection Throttle Body Assembly 55498943 / 12637737 with Sensor FOR Chevrolet
This 59mm 55498943 / 12637737 throttle body assembly is designed for GM 2.8L Duramax turbo-diesel four-cylinder applications, including selected Chevrolet Express, GMC Savana, Chevrolet Colorado, and GMC Canyon models. Application coverage varies by model year, market, and vehicle configuration. The assembly is supplied new with the sensor included, a 59mm bore, die-cast aluminum alloy housing, stainless steel butterfly valve, and Viton seals. Customers should confirm the vehicle application, engine specification, and original OE number before ordering.
LOREADA Auto Parts manufactures throttle bodies, sensors, and other engine control and intake components under IATF 16949 quality management standards. Products are developed with reference to major OE numbers to support consistent production and batch-to-batch quality. Each unit is factory tested before shipment and backed by a 12-month warranty. OEM and ODM solutions are available based on customer drawings, samples, OE references, or technical requirements.
For wholesale and distribution requirements for the 55498943 / 12637737 throttle body, please provide the required quantity, vehicle application, OE reference, or product specifications. LOREADA can provide MOQ, lead time, packaging, and OEM/ODM options according to your sourcing requirements.
| 55498943 / 12637737 Fuel Injection Throttle Body Assembly Specifications | |
|---|---|
| Item | Details |
| Product SKU | LRD-TB861 |
| Product Name | Electronic Throttle Body |
| OE Numbers | 55498943 / 12637737 |
| Bore Size | 59mm |
| Housing Material | Die-Cast Aluminum Alloy |
| Butterfly Valve | Stainless Steel |
| Seals | Viton |
| Application | Chevrolet Express / Colorado, GMC Savana / Canyon 2.8L |
| Replacement Type | OE-Referenced Replacement |
| Warranty | 12 Months |
| Customization | OEM / ODM Available |
Application Details:
Chevrolet Express 2500 2017-2022 L4 2.8L
Chevrolet Express 3500 2017-2022 L4 2.8L
GMC Savana 2500 2017-2022 L4 2.8L
GMC Savana 3500 2017-2022 L4 2.8L
Chevrolet Colorado 2016-2020 L4 2.8L
GMC Canyon 2016-2020 L4 2.8L
- OEM-Grade Quality – VDO/Pierburg OEM specification, direct replacement.
- Dual Redundant TPS – Prevents idle fluctuations, hunting, and false error codes.
- 100% Factory Tested – Thermal cycling, airtightness, and full-stroke angle calibration.
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