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Choose your Engine for your 1978 GMC G35

6 Cyl 4.1L 6 Cyl 4.8L 8 Cyl 5.7L 8 Cyl 6.6L

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1978 GMC G35 Differential - Front 6 Cyl 4.8L Eaton

Eaton ELocker® Differential
Dana 44; 30 Spline; 3.73 And Down Ring Gear Pinion Ratio; 1.31 in. Axle Shaft Diameter
Eaton ELocker® Differential; Dana 44; 30 Spline; 3.73 And Down Ring Gear Pinion Ratio; 1.31 in. Axle Shaft Diameter;
Eaton Elocker™ Differential
Features:
- Electromagnetic Locking Differential
- Driver controlled push-button operation
- Most Reliable On-Demand Differential
- 4-Pinion Net-Forged Gear Design For Max Strength And Durability
- Eaton NGR locking rocker switch and wiring harness included
- Works In Forward And Reverse
The Eaton ELocker is an electronic, selectable differential designed for drivers that need traction on-demand. At the flip of a dash switch, drivers can go from open to 100-percent locked. A second flip of the switch deactivates the unit to resume normal driving. The ELocker is the most reliable on-demand differential, featuring selectable operation and net-forged gears for added strength.

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1978 - GMC G35	L	-	Front	6 Cyl 4.8L	292

1 In Stock

Limited-Time Offer

$2,537.74 USD

$3,045.29 USD

1978 GMC G35 Differential - Rear 6 Cyl 4.8L Eaton

35 Spline; 1.50 in. Axle Shaft Diameter; 4.10 And Down Ring Gear Pinion Ratio; Rear Dana 60
Detroit Truetrac® Differential; 35 Spline; 1.50 in. Axle Shaft Diameter; 4.10 And Down Ring Gear Pinion Ratio; Rear Dana 60;
Detroit Truetrac® Differential
Features:
- Helical Gear Limited Slip Differential
- Optimized Torque Bias Ratios Deliver Max Acceleration And Handling
- Automatic Engagement
- Works In Forward And Reverse
- Ideal For Most Vehicles
- Durable
- Smooth
- Quiet Operation
- No Special Lubrication Or Friction Modifiers Needed
The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.

Additional Fitment Information:

Vehicle	Block	CC	Position	Engine	CID
1978 - GMC G35	L	-	Rear	6 Cyl 4.8L	292

2 In Stock

Limited-Time Offer

$1,485.34 USD

$1,782.41 USD

1978 GMC G35 Differential - Rear 6 Cyl 4.8L Eaton

GM 10.5 in.; 14 Bolt; 30 Spline; 4.10 And Down Ring Gear Pinion Ratio; 1.50 in. Axle Shaft Diameter
Detroit Truetrac® Differential; GM 10.5 in.; 14 Bolt; 30 Spline; 4.10 And Down Ring Gear Pinion Ratio; 1.50 in. Axle Shaft Diameter; Rear;
Detroit Truetrac® Differential
Features:
- Helical Gear Limited Slip Differential
- Optimized Torque Bias Ratios Deliver Max Acceleration And Handling
- Automatic Engagement
- Works In Forward And Reverse
- Ideal For Most Vehicles
- Durable
- Smooth
- Quiet Operation
- No Special Lubrication Or Friction Modifiers Needed
The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.