How to replace the front cross-member for the engine (2WD) on GMC C3500?

Vehicle elevation is the first step needed to replace the 2WD engine front crossmember. Begin by removing the engine crossmember bolts then remove the engine crossmember from the vehicle. Start engine crossmember installation by fixing it back into its original position. Clear the engine crossmember bolts of the original adhesive residue while cleaning their threads with denatured alcohol before allowing them to dry. The bolts must receive GM P/N 12345493 threadlocker treatment (Canadian P/N 10953488). The installation process requires tightness of engine crossmember bolts to 120 N.m (88 lb ft). Finally, lower the vehicle.

OEM GMC C3500 Front Cross-Member

Front Engine Cross Member

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14 Front Cross-Members found

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GMC C3500 Crossmember, Front
Part Number: 15659413
Product Specifications
- Other Name: Crossmember, Front Frame Cross Member; Crossmember, Intermediate(Transmission Support Cross Member)
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Front Crossmember
Part Number: 15991723
Product Specifications
- Other Name: Crossmember-Front; Crossmember; Crossmember, Front Frame Cross Member
- Position: Front
- Replaces: 15610526, 15691768
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C3500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Rear Crossmember Mount
Part Number: 343494
Product Specifications
- Other Name: C/Member Bracket Assembly; Crossmember; Member, Front Frame Cross Member
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C3500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Transmission Support
Part Number: 15732250
Product Specifications
- Other Name: Crossmember, Transmission Mounting
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Crossmember
Part Number: 15662297
Product Specifications
- Other Name: Crossmember, Frame Cross, Intermediate (Transmission Support Cross Member); Crossmember, Intermediate(Transmission Support Cross Member)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Crossmember
Part Number: 15538319
Product Specifications
- Other Name: Crossmember, Intermediate (Transmission Support Cross Member); Crossmember, Intermediate(Transmission Support Cross Member); Member, Intermediate(Transmission Support Cross Member)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 Transmission Support
Part Number: 15735499
Product Specifications
- Other Name: Crossmember, Transmission Mounting; Crossmember
- Replaces: 12388903
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Transmission Support
Part Number: 15732251
Product Specifications
- Other Name: Crossmember, Transmission Mounting
- Replaces: 15988465
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Transmission Support
Part Number: 15732249
Product Specifications
- Other Name: Crossmember, Transmission Mounting; Support, Transmission Mounting
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Crossmember
Part Number: 15603996
Product Specifications
- Other Name: Crossmember, Frame Cross, Intermediate (Transmission Support Cross Member); Crossmember, Intermediate(Transmission Support Cross Member)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1994 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Crossmember
Part Number: 15603966
Product Specifications
- Other Name: Crossmember, Intermediate (Transmission Support Cross Member); Crossmember, Intermediate(Transmission Support Cross Member)
- Replaces: 15567769
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1994 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Crossmember
Part Number: 15603965
Product Specifications
- Other Name: Crossmember, Intermediate (Transmission Support Cross Member); Crossmember, Intermediate(Transmission Support Cross Member)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-2000 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Transmission Support
Part Number: 15603721
Product Specifications
- Other Name: Support, Transmission Mounting; Crossmember, Transmission Mounting
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 Crossmember
Part Number: 15529438
Product Specifications
- Other Name: Crossmember, Frame Cross, Intermediate (Transmission Support Cross Member); Crossmember, Intermediate(Transmission Support Cross Member)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-2000 GMC C3500 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS

GMC C3500 Front Cross-Member

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GMC C3500 Front Cross-Member Parts Questions & Experts Answers

Crossmember, Front
15659413
Q: How to replace the front cross-member for the engine (2WD) on GMC C3500?
A: Vehicle elevation is the first step needed to replace the 2WD engine front crossmember. Begin by removing the engine crossmember bolts then remove the engine crossmember from the vehicle. Start engine crossmember installation by fixing it back into its original position. Clear the engine crossmember bolts of the original adhesive residue while cleaning their threads with denatured alcohol before allowing them to dry. The bolts must receive GM P/N 12345493 threadlocker treatment (Canadian P/N 10953488). The installation process requires tightness of engine crossmember bolts to 120 N.m (88 lb ft). Finally, lower the vehicle.

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