1997 Peterbilt 378 Suspension Parts

Essential 1997 Peterbilt 378 Suspension Parts

Monroe – GAS-MAGNUM 65 Shock Absorber (Part No.65474)

GAS-MAGNUM 65 Shock Absorber

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:
  • 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).
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Bulldog HD – Heavy-Duty Shock Absorber – 1975-1978 GMC G35 (Part No.HD1214-0534)

Heavy-Duty Shock Absorber - 1975-1978 GMC G35

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:
  • 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
See More

Bulldog HD – Heavy-Duty Shock Absorber – 2013-2014 Kenworth T680 (Part No.HD1215-0034)

Heavy-Duty Shock Absorber - 2013-2014 Kenworth T680

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:
  • 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
See More

Monroe – Magnum Shock Absorber (Part No.65433)

Magnum Shock Absorber

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:
  • 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
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Monroe – Magnum Shock Absorber (Part No.66436)

Magnum Shock Absorber

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:
  • 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
See More

Bulldog HD – Heavy-Duty Shock Absorber – 1995-2005 Peterbilt 300 (Part No.HD1214-0612)

Heavy-Duty Shock Absorber - 1995-2005 Peterbilt 300

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:
  • 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
See More

Bulldog HD – Heavy-Duty Shock Absorber – 1986-2008 Peterbilt 357 (Part No.HD1215-0033)

Heavy-Duty Shock Absorber - 1986-2008 Peterbilt 357

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:
  • 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
See More

Monroe – Magnum Shock Absorber (Part No.66636)

Magnum Shock Absorber

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:
  • 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
See More

Bulldog HD – Heavy-Duty Shock Absorber – 1995-2002 Peterbilt 330 (Part No.HD1215-0037)

Heavy-Duty Shock Absorber - 1995-2002 Peterbilt 330

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:
  • 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
See More

Bulldog HD – Heavy-Duty Shock Absorber – 2005-2010 Peterbilt 335 (Part No.HD1215-0082)

Heavy-Duty Shock Absorber - 2005-2010 Peterbilt 335

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:
  • 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
See More

Monroe – Magnum Shock Absorber (Part No.65401)

Magnum Shock Absorber

from

$115.99
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:
  • 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
See More

Monroe – Magnum Shock Absorber (Part No.65402)

Magnum Shock Absorber

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:
  • 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
See More

Monroe – Magnum Shock Absorber (Part No.65400)

Magnum Shock Absorber

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:
  • 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
See More

Monroe – Magnum Shock Absorber (Part No.65448)

Magnum Shock Absorber

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:
  • 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
See More

Monroe – Magnum Shock Absorber (Part No.65434)

Magnum Shock Absorber

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:
  • 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
See More

Bulldog HD – Heavy-Duty Shock Absorber – 2002-2002 Freightliner XC (Part No.HD1215-0062)

Heavy-Duty Shock Absorber - 2002-2002 Freightliner XC

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:
  • 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
See More

Monroe – Magnum Shock Absorber (Part No.65113)

Magnum Shock Absorber

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:
  • 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
See More

Bulldog HD – Heavy-Duty Shock Absorber – 1990-1996 Peterbilt 375 (Part No.HD1215-0061)

Heavy-Duty Shock Absorber - 1990-1996 Peterbilt 375

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:
  • 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
See More

Bulldog HD – Heavy-Duty Shock Absorber – 1994-1997 Ford F700 (Part No.HD1215-0043)

Heavy-Duty Shock Absorber - 1994-1997 Ford F700

from

$94.99
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:
  • 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
See More

Bulldog HD – Heavy-Duty Shock Absorber – 1989-1994 Ford F600 (Part No.HD1215-0078)

Heavy-Duty Shock Absorber - 1989-1994 Ford F600

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:
  • 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
See More

Monroe – Magnum Shock Absorber (Part No.65411)

Magnum Shock Absorber

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:
  • 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
See More

Monroe – Magnum Shock Absorber (Part No.65101)

Magnum Shock Absorber

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:
  • 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
See More

Bulldog HD – Heavy-Duty Shock Absorber – 2019-2020 Kenworth W990 (Part No.HD1215-0056)

Heavy-Duty Shock Absorber - 2019-2020 Kenworth W990

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:
  • 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
See More

Bulldog HD – Heavy-Duty Shock Absorber – 1987-2018 Peterbilt 320 (Part No.HD1215-0032)

Heavy-Duty Shock Absorber - 1987-2018 Peterbilt 320

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:
  • 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
See More

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 28 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 28 Suspension Parts for the 1997 Peterbilt 378, the most popular in our inventory are:
Magnum Shock Absorber
from $109.99
This product is not rated
Magnum Shock Absorber
Front Shock and Struts
Magnum Shock Absorber
from $125.99
This product is not rated
Magnum Shock Absorber
Rear Shock and Struts
Magnum Shock Absorber
from $77.99
This product is not rated
Magnum Shock Absorber
Rear Shock and Struts