Product Details

This Whiteline Rear Spring Bushing Kit fits the 1968-1972 GMC K35/K3500 Pickup. You receive 12 bushings, 6 tubes, and grease. It is listed for the C/K chassis. Position: rear. The listing names the Pickup trim. The part number is W73477.

On a leaf-sprung vehicle the spring eyes and shackles pivot on bushings, and they take the movement every time the axle moves. Worn rubber lets the axle shift and clunk, and heavy loads speed that up. Polyurethane resists deflection far better than the soft rubber it replaces.

Expect a moderate job of about 2 hours. Get the car aligned once it is back on the ground.

Features

  • Install guide: Written install instructions are included with the part.
  • Bushing compound: The elastomer formulation is chosen to shrug off oil, grease, ozone, and the elements.
  • Self-lubricating: Built-in grease reservoirs provide continual lubrication and reduce friction.
  • Grease: Molybdenum disulfide grease comes with it for a longer service life.
  • Bushing material: The bushing material is polyurethane, a firmer choice than rubber.
Specifications
Part Number W73477
Part Name Spring Bushings
Vehicle 1968-1972 GMC K35/K3500 Pickup
Drivetrain 4WD
Chassis Code C/K
Bushing Color Black
Bushing Inside Diameter 19 mm
Bushing Length 37.5 mm
Bushing Material Polyurethane
Bushing Outside Diameter 38.6 mm
Durometer 85
Grade Type Regular
Installation Difficulty Moderate
Installation Time (hrs) 2
Kit Contents 12 Bushings, 6 Tubes, Grease
Vehicle Placement Rear
Wheel Alignment Required Yes
Notes Fits vehicles with 1.5" Frame Shackle and 1.5" Main Eye (1700-2800# Axle Rating)
Fitment for K35/K3500 spring bushings

Fits the 1968-1972 GMC K35/K3500 Pickup. Each model year is listed below.

Vehicle fitment

This product fits the vehicles listed below.

YearMakeModelDrivetrainNotes
1968GMCK354WDFits vehicles with 1.5" Frame Shackle and 1.5" Main Eye (1700-2800# Axle Rating)
1968GMCK35004WDFits vehicles with 1.5" Frame Shackle and 1.5" Main Eye (1700-2800# Axle Rating)
1969GMCK354WDFits vehicles with 1.5" Frame Shackle and 1.5" Main Eye (1700-2800# Axle Rating)
1969GMCK35004WDFits vehicles with 1.5" Frame Shackle and 1.5" Main Eye (1700-2800# Axle Rating)
1970GMCK354WDFits vehicles with 1.5" Frame Shackle and 1.5" Main Eye (1700-2800# Axle Rating)
1970GMCK35004WDFits vehicles with 1.5" Frame Shackle and 1.5" Main Eye (1700-2800# Axle Rating)
1971GMCK354WDFits vehicles with 1.5" Frame Shackle and 1.5" Main Eye (1700-2800# Axle Rating)
1971GMCK35004WDFits vehicles with 1.5" Frame Shackle and 1.5" Main Eye (1700-2800# Axle Rating)
1972GMCK354WDFits vehicles with 1.5" Frame Shackle and 1.5" Main Eye (1700-2800# Axle Rating)
1972GMCK35004WDFits vehicles with 1.5" Frame Shackle and 1.5" Main Eye (1700-2800# Axle Rating)

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