U Bolts
$10.00
- Spring Capacity = 11,500 Pounds
- Width = 3-1/2"
- # of Leaves = Pad/4 Leaves
- Measures (A/B) = 25-1/8" x 29-7/8"
- Pack Thickness = 4-3/8"
- Bushings Included
- Front Bushing is Bronze
- Rear Bushing is Threaded
- Sold Per Side - Order Quantity 2 for a pair
OEM Replacement for Factory 4 Leaf
Heavy Duty Replacement for Factory 3 Leaf
5160 Steel
Heat Treated and Shot Peened
Corrects Sag, Leaning, Sway
Restores Original Height
1 Year Warranty
Fits Following Models:
- 1975 - 1981 Mack F Series Cab Over Engine
- 1978 - 1988 Mack MC Low Cab Forward
- 1975 - 1991 Mack R Series Conventional
- 1975 - 1991 Mack U Series Conventional
- 1975 - 2005 Mack RD4 Conventional
- 1975 - 2005 Mack RD6 Conventional
- 1975 - 2002 Mack RD7 Conventional
- 2002 - 2008 Mack Granite CV Conventional
- 1975 - 1985 Mack FL Cab Over Engine
- 1975 - 1985 Mack FS Cab Over Engine
- 1975 - 1985 Mack WL Cruise-Liner Cab Over Engine
- 1975 - 1985 Mack WS Cruise-Liner Cab Over Engine
- 1975 - 1988 Mack RL Value-Liner Conventional
- 1975 - 1988 Mack RS Value-Liner Conventional
- 1975 - 1988 Mack RWL Super-Liner Conventional
- 1975 - 1988 Mack RWS Super-Liner Conventional
Mack OEM 2QK3378AP8 / 2QK3378P8 / 2QK3445 / 2QK3445A / 2QK4152 / 2QK4152M / 20935816 / 20935817
- Number of Leaves:
- 4
- Width:
- 3-1/2
- Spring Capacity:
- 11500
- Location:
- Front
- Spring Length:
- 55 inches
