1997 Peterbilt 378 Suspension Parts
More 1997 Peterbilt 378 Suspension Parts Categories
If you’re looking for an original Suspension Parts replacement for a 1997 Peterbilt 378, you can search through our selection below. You’ll also find aftermarket and OEM Suspension Parts to meet your needs.
Essential 1997 Peterbilt 378 Suspension Parts
Bulldog HD – Heavy-Duty Shock Absorber – 2002-2002 Freightliner XC (Part No.HD1215-0062)
from
$90.99
Bulldog HD commercial Heavy Duty shock absorbers are designed with the best materials and innovative design techniques for lasting quality and performance! Best Technology. Best Performance. Ultra Premium HD Shocks.
Product Features:
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Product Features:
- Robotic 360 Degree Welds; Highest Weld Strength in the Industry
- Propriety Value Design for long lasting compression and rebound performance
- Brushing rubber formulation with lowest levels of filler
- OE Enos Synthetic to perform from -40 Deg. F to 340 Deg. F
- Double lip seal design to reduce excessive misting and extend damping life cycle
Bulldog HD – Heavy-Duty Shock Absorber – 1995-2005 Peterbilt 300 (Part No.HD1214-0612)
from
$67.99
Bulldog HD commercial Heavy Duty shock absorbers are designed with the best materials and innovative design techniques for lasting quality and performance! Best Technology. Best Performance. Ultra Premium HD Shocks.
Product Features:
See More
Product Features:
- Robotic 360 Degree Welds; Highest Weld Strength in the Industry
- Propriety Value Design for long lasting compression and rebound performance
- Brushing rubber formulation with lowest levels of filler
- OE Enos Synthetic to perform from -40 Deg. F to 340 Deg. F
- Double lip seal design to reduce excessive misting and extend damping life cycle
Bulldog HD – Heavy-Duty Shock Absorber – 2013-2014 Kenworth T680 (Part No.HD1215-0034)
from
$88.99
Bulldog HD commercial Heavy Duty shock absorbers are designed with the best materials and innovative design techniques for lasting quality and performance! Best Technology. Best Performance. Ultra Premium HD Shocks.
Product Features:
See More
Product Features:
- Robotic 360 Degree Welds; Highest Weld Strength in the Industry
- Propriety Value Design for long lasting compression and rebound performance
- Brushing rubber formulation with lowest levels of filler
- OE Enos Synthetic to perform from -40 Deg. F to 340 Deg. F
- Double lip seal design to reduce excessive misting and extend damping life cycle
Monroe – Magnum Shock Absorber (Part No.65534)
from
$99.99
The Monroe® Magnum shock absorber for Class 6-8 Vehicles is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspe
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – when required
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 2-3/8 inch (60.3 mm) reserve tube More fluid for more consistent performance – on most applications
- 1-3/4-inch (44.6 mm) bore Large bore than most shocks to provide more consistent control
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
- Single-lip, low-friction oil seal
Monroe – GAS-MAGNUM 60 Shock Absorber (Part No.66429)
from
$82.99
The Monroe Gas-Magnum 60 shock absorber is gas-charged for quicker response and a stable, more comfortable ride. Replacing worn-out units with hard-working Gas-Magnum 60 shocks can help reduce excessive vibration. The result can be better tire life, less downtime and a lower cost per mile.
Product Features:
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Product Features:
- Multi-lip fluid seal designed for smooth performance, long life and reduced friction
- Nitrogen Gas Charged: For improved ride and handling, helps maintain tire to road contact by reducing aeration.
- 2″ or 2-3/8″ (50.8 mm or 60.3 mm) reserve tube (where required)
- 1-3/8 inch (34.9 mm) bore (On most applications)
- 5/8-inch (15.9 mm) diameter piston rod (On most applications)
- Resistance and arc-welded mounts, provide 9,500 lbs. (4,309 kg) of tensile strength for maximum durability (on most applications)
- Patented unique hydraulic rebound lockout (when required)
- Special “Self-lubricating” fluid seal designed to retain gas without excessive wear or friction.
Monroe – Magnum Shock Absorber (Part No.66436)
from
$81.99
The Monroe® Magnum shock absorber for class 3-6 Vehicles is gas-charged for quicker response and a stable, more comfortable ride. Replacing worn-out units with hard-working Magnum shocks can help reduce excessive vibration. The result can be better tire l
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – on most applications
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld provide up to 13,100 lbs. (6,395 kg) tensile strength for maximum durability – when required
- 2-inch (50.8 mm) or 2-1/4-inch (57.2 mm) reserve tube More fluid for more consistent performance – when required
- 1-3/8-inch (35 mm) bore Larger bore than most shocks to provide more efficient and consistent control – on most applications
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
Bulldog HD – Heavy-Duty Shock Absorber – 1986-2008 Peterbilt 357 (Part No.HD1215-0033)
from
$81.99
Bulldog HD commercial Heavy Duty shock absorbers are designed with the best materials and innovative design techniques for lasting quality and performance! Best Technology. Best Performance. Ultra Premium HD Shocks.
Product Features:
See More
Product Features:
- Robotic 360 Degree Welds; Highest Weld Strength in the Industry
- Propriety Value Design for long lasting compression and rebound performance
- Brushing rubber formulation with lowest levels of filler
- OE Enos Synthetic to perform from -40 Deg. F to 340 Deg. F
- Double lip seal design to reduce excessive misting and extend damping life cycle
Monroe – Magnum Shock Absorber (Part No.65495)
from
$132.99
The Monroe® Magnum shock absorber for Class 6-8 Vehicles is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspe
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – when required
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 2-3/8 inch (60.3 mm) reserve tube More fluid for more consistent performance – on most applications
- 1-3/4-inch (44.6 mm) bore Large bore than most shocks to provide more consistent control
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
- Single-lip, low-friction oil seal
Bulldog HD – Heavy-Duty Shock Absorber – 1995-2002 Peterbilt 330 (Part No.HD1215-0037)
from
$86.99
Bulldog HD commercial Heavy Duty shock absorbers are designed with the best materials and innovative design techniques for lasting quality and performance! Best Technology. Best Performance. Ultra Premium HD Shocks.
Product Features:
See More
Product Features:
- Robotic 360 Degree Welds; Highest Weld Strength in the Industry
- Propriety Value Design for long lasting compression and rebound performance
- Brushing rubber formulation with lowest levels of filler
- OE Enos Synthetic to perform from -40 Deg. F to 340 Deg. F
- Double lip seal design to reduce excessive misting and extend damping life cycle
Bulldog HD – Heavy-Duty Shock Absorber – 2005-2010 Peterbilt 335 (Part No.HD1215-0082)
from
$83.99
Bulldog HD commercial Heavy Duty shock absorbers are designed with the best materials and innovative design techniques for lasting quality and performance! Best Technology. Best Performance. Ultra Premium HD Shocks.
Product Features:
See More
Product Features:
- Robotic 360 Degree Welds; Highest Weld Strength in the Industry
- Propriety Value Design for long lasting compression and rebound performance
- Brushing rubber formulation with lowest levels of filler
- OE Enos Synthetic to perform from -40 Deg. F to 340 Deg. F
- Double lip seal design to reduce excessive misting and extend damping life cycle
Monroe – Magnum Shock Absorber (Part No.65448)
from
$113.99
The Monroe® Magnum shock absorber for Class 6-8 Vehicles is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspe
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – when required
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 2-3/8 inch (60.3 mm) reserve tube More fluid for more consistent performance – on most applications
- 1-3/4-inch (44.6 mm) bore Large bore than most shocks to provide more consistent control
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
- Single-lip, low-friction oil seal
Monroe – Magnum Shock Absorber (Part No.65402)
from
$125.99
The Monroe® Magnum shock absorber for Class 6-8 Vehicles is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspe
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – when required
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 2-3/8 inch (60.3 mm) reserve tube More fluid for more consistent performance – on most applications
- 1-3/4-inch (44.6 mm) bore Large bore than most shocks to provide more consistent control
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
- Single-lip, low-friction oil seal
Monroe – GAS-MAGNUM 65 Shock Absorber (Part No.65474)
from
$99.99
The Monroe Gas-Magnum 65 shock absorber is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspension systems. Its extra-large piston bore is engineered to handle the demands of high mileage and severe use. When combined, the gas charge and large-bore provide the consistent control necessary for demanding truck suspensions.
Product Features:
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Product Features:
- Nitrogen Gas Charged: For improved ride and handling, helps maintain tire to road contact by reducing aeration.
- Resistance and arc-welded mounts, provides 15,000 lbs. (6,804 kg) of tensile strength for maximum durability.
- Single-lip, low-friction oil seal.
- 2-3/8″ (60.3 mm) reserve tube.
- Large 1-3/4″ (44.5 mm) piston bore.
- Hardened 23/32″ (18 mm) diameter chrome piston rod.
- Patented unique hydraulic rebound lockout (when required).
Monroe – Magnum Shock Absorber (Part No.65400)
from
$112.99
The Monroe® Magnum shock absorber for Class 6-8 Vehicles is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspe
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – when required
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 2-3/8 inch (60.3 mm) reserve tube More fluid for more consistent performance – on most applications
- 1-3/4-inch (44.6 mm) bore Large bore than most shocks to provide more consistent control
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
Monroe – Magnum Shock Absorber (Part No.66636)
from
$77.99
The Monroe® Magnum shock absorber for class 3-6 Vehicles is gas-charged for quicker response and a stable, more comfortable ride. Replacing worn-out units with hard-working Magnum shocks can help reduce excessive vibration. The result can be better tire l
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – on most applications
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld provide up to 13,100 lbs. (6,395 kg) tensile strength for maximum durability – when required
- 2-inch (50.8 mm) or 2-1/4-inch (57.2 mm) reserve tube More fluid for more consistent performance – when required
- 1-3/8-inch (35 mm) bore Larger bore than most shocks to provide more efficient and consistent control – on most applications
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
Monroe – Magnum Shock Absorber (Part No.65411)
from
$121.99
The Monroe® Magnum shock absorber for Class 6-8 Vehicles is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspe
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – when required
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 2-3/8 inch (60.3 mm) reserve tube More fluid for more consistent performance – on most applications
- 1-3/4-inch (44.6 mm) bore Large bore than most shocks to provide more consistent control
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
- Single-lip, low-friction oil seal
Monroe – Magnum Shock Absorber (Part No.65113)
from
$109.99
The Monroe® Magnum shock absorber for Class 6-8 Vehicles is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspe
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – when required
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 2-3/8 inch (60.3 mm) reserve tube More fluid for more consistent performance – on most applications
- 1-3/4-inch (44.6 mm) bore Large bore than most shocks to provide more consistent control
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
- Single-lip, low-friction oil seal
Bulldog HD – Heavy-Duty Shock Absorber – 1987-2018 Peterbilt 320 (Part No.HD1215-0032)
from
$72.99
Bulldog HD commercial Heavy Duty shock absorbers are designed with the best materials and innovative design techniques for lasting quality and performance! Best Technology. Best Performance. Ultra Premium HD Shocks.
Product Features:
See More
Product Features:
- Robotic 360 Degree Welds; Highest Weld Strength in the Industry
- Propriety Value Design for long lasting compression and rebound performance
- Brushing rubber formulation with lowest levels of filler
- OE Enos Synthetic to perform from -40 Deg. F to 340 Deg. F
- Double lip seal design to reduce excessive misting and extend damping life cycle
Bulldog HD – Heavy-Duty Shock Absorber – 1989-1994 Ford F600 (Part No.HD1215-0078)
from
$88.99
Bulldog HD commercial Heavy Duty shock absorbers are designed with the best materials and innovative design techniques for lasting quality and performance! Best Technology. Best Performance. Ultra Premium HD Shocks.
Product Features:
See More
Product Features:
- Robotic 360 Degree Welds; Highest Weld Strength in the Industry
- Propriety Value Design for long lasting compression and rebound performance
- Brushing rubber formulation with lowest levels of filler
- OE Enos Synthetic to perform from -40 Deg. F to 340 Deg. F
- Double lip seal design to reduce excessive misting and extend damping life cycle
Monroe – Magnum Shock Absorber (Part No.65433)
from
$104.99
The Monroe® Magnum shock absorber for Class 6-8 Vehicles is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspe
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – when required
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 2-3/8 inch (60.3 mm) reserve tube More fluid for more consistent performance – on most applications
- 1-3/4-inch (44.6 mm) bore Large bore than most shocks to provide more consistent control
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
- Single-lip, low-friction oil seal
Bulldog HD – Heavy-Duty Shock Absorber – 2019-2020 Kenworth W990 (Part No.HD1215-0056)
from
$81.99
Bulldog HD commercial Heavy Duty shock absorbers are designed with the best materials and innovative design techniques for lasting quality and performance! Best Technology. Best Performance. Ultra Premium HD Shocks.
Product Features:
See More
Product Features:
- Robotic 360 Degree Welds; Highest Weld Strength in the Industry
- Propriety Value Design for long lasting compression and rebound performance
- Brushing rubber formulation with lowest levels of filler
- OE Enos Synthetic to perform from -40 Deg. F to 340 Deg. F
- Double lip seal design to reduce excessive misting and extend damping life cycle
Bulldog HD – Heavy-Duty Shock Absorber – 1990-1996 Peterbilt 375 (Part No.HD1215-0061)
from
$91.99
Bulldog HD commercial Heavy Duty shock absorbers are designed with the best materials and innovative design techniques for lasting quality and performance! Best Technology. Best Performance. Ultra Premium HD Shocks.
Product Features:
See More
Product Features:
- Robotic 360 Degree Welds; Highest Weld Strength in the Industry
- Propriety Value Design for long lasting compression and rebound performance
- Brushing rubber formulation with lowest levels of filler
- OE Enos Synthetic to perform from -40 Deg. F to 340 Deg. F
- Double lip seal design to reduce excessive misting and extend damping life cycle
Monroe – Magnum Shock Absorber (Part No.65434)
from
$123.99
The Monroe® Magnum shock absorber for Class 6-8 Vehicles is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspe
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – when required
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 2-3/8 inch (60.3 mm) reserve tube More fluid for more consistent performance – on most applications
- 1-3/4-inch (44.6 mm) bore Large bore than most shocks to provide more consistent control
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
Bulldog HD – Heavy-Duty Shock Absorber – 1975-1978 GMC G35 (Part No.HD1214-0534)
from
$47.49
Bulldog HD commercial Heavy Duty shock absorbers are designed with the best materials and innovative design techniques for lasting quality and performance! Best Technology. Best Performance. Ultra Premium HD Shocks.
Product Features:
See More
Product Features:
- Robotic 360 Degree Welds; Highest Weld Strength in the Industry
- Propriety Value Design for long lasting compression and rebound performance
- Brushing rubber formulation with lowest levels of filler
- OE Enos Synthetic to perform from -40 Deg. F to 340 Deg. F
- Double lip seal design to reduce excessive misting and extend damping life cycle
Monroe – Magnum Shock Absorber (Part No.65101)
from
$109.99
The Monroe® Magnum shock absorber for Class 6-8 Vehicles is the first gas-charged, large-bore shock specifically designed for air spring and taper leaf suspensions. Its nitrogen gas charge provides the fast response essential for today’s heavy truck suspe
Product Features:
See More
Product Features:
- Robust hydraulic lock-out Prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly – when required
- PTFE coated bearing Reduces friction during operation between the rod and rod guide, improving durability – on most applications
- Tenneco shouldered bushings Shouldered bushing and bonded bushing with sleeve designs prevent (bushing walkout) for improved quality and durability – on most applications
- Nitrogen gas-charged For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
- Loop welding technique Resistance weld with additional 360-degree weld to provide up to 15,000 lbs. (6,804 kg) tensile strength for maximum durability – when required
- 2-3/8 inch (60.3 mm) reserve tube More fluid for more consistent performance – on most applications
- 1-3/4-inch (44.6 mm) bore Large bore than most shocks to provide more consistent control
- .05-inch Pressure tube withstanding pressure of 9KPSI
- 10-stage valving Reacts to wide range of driving conditions – on most applications
- 10-stage valving: Reacts to wide range of driving conditions – on most applications
- All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
- Single-lip, low-friction oil seal
Popular 1997 Peterbilt 378 Suspension Parts Categories
1997 Peterbilt 378 Suspension Parts
You count on your 1997 Peterbilt 378 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Suspension Parts. With 29 Suspension Parts ranging in price from $47.49 to $132.99, you’re sure to find everything you need for your 1997 Peterbilt 378.
Brands matter. If you want to shop a specific Suspension Parts brand, we stock 2 different brands like Monroe and Bulldog HD. 1997 Peterbilt 378 Suspension Parts start as low as $47.49!
Did we mention you can order your Suspension Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Suspension Parts inventory for your 1997 Peterbilt 378 below to get started!
FAQs for 1997 Peterbilt 378 Suspension Parts
What are the most purchased Suspension Parts for the 1997 Peterbilt 378?
Out of 29 Suspension Parts for the 1997 Peterbilt 378, the most popular in our inventory are:
