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Case & Related Parts for 2025 GMC Sierra 2500 HD

Part # / Description / Price
Price
Automatic Transmission Flex Plate
GM GM
Description: GM Genuine Parts Automatic Transmission Flex Plate (Part Number: 12685003) is an automatic transmission flexplate designed to connect the torque converter to the crankshaft and transmit engine torque to the transmission. Application notes: OE references in ...
MSRP $113.26
$71.66
MSRP $113.26
$71.66
Torque Converter 1
GM GM
Description: Silverado, Sierra 3500 HD. 10 speed trans. 4wd. Mkm trans code. Rwd. Silverado, Sierra 2500 HD. 10 speed trans. 4wd.
MSRP $942.22
$585.41
MSRP $942.22
$585.41
Converter 1
GM GM
Description: Mgu trans code. Silverado, Sierra 2500 HD. 10 speed trans. Rwd. Silverado, Sierra 3500 HD. 10 speed trans. Mgm trans code.
MSRP $714.34
$443.82
MSRP $714.34
$443.82
Automatic Transmission Fluid Temperature Sensor
GM GM
Description: GM Genuine Parts Automatic Transmission Fluid Temperature Sensor (Part Number: 24271129) is a sensor that measures transmission fluid temperature and relays that data to control modules for thermal management and shift calibration. Function: Measures trans ...
MSRP $5.60
$3.83
MSRP $5.60
$3.83
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.