1997 Peterbilt 378 Rear Shock and Struts
Your 1997 Peterbilt 378 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Rear Shock and Struts you desperately need.
We currently carry 18 Rear Shock and Struts to choose from for your 1997 Peterbilt 378, and our inventory prices range from as little as $67.99 up to $132.99.
On top of low prices, Advance Auto Parts offers 2 different trusted brands of Rear Shock and Struts for the 1997 Peterbilt 378. We only sell parts from trusted brands like Monroe so that you can find quality parts you can count on.
Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Rear Shock and Struts stock in-person!
Rear Shock and Struts for Your 1997 Peterbilt 378
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:
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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.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
Monroe – Magnum Shock Absorber (Part No.65444)
from
$127.99
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.65401)
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:
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.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.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 – 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.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
Bulldog HD – Heavy-Duty Shock Absorber – 1994-1997 Ford F700 (Part No.HD1215-0043)
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:
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 – 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:
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
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 – 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.
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.66428)
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
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 – 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
FAQs for 1997 Peterbilt 378 Rear Shock and Struts
What are the most popular Rear Shock and Struts for the 1997 Peterbilt 378?
With 2 brands you can trust, our most popular Rear Shock and Struts for the 1997 Peterbilt 378 parts are:
from
$83.99
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Heavy-Duty Shock Absorber – 2005-2010 Peterbilt 335
Rear Shock and Struts
