Top 5 Shocks For Peterbilt 379: Buyer’s Guide

Imagine hitting a rough patch of road in your Peterbilt 379. Does your truck bounce around like a toy, making the ride uncomfortable and even a little scary? For any owner of this iconic rig, the quality of the ride is incredibly important. But when it comes to choosing new shocks, it can feel like navigating a maze of confusing terms and endless choices. Finding the right shocks for your Peterbilt 379 isn’t just about comfort; it’s about safety, handling, and keeping your truck in top shape for the long haul.

This is where we come in. We know that picking the perfect shocks can be a real headache. You want shocks that handle the weight, absorb the bumps, and keep your steering precise. You might be worried about getting the wrong ones and wasting money or, worse, compromising your truck’s performance. But don’t worry, we’re here to make it easy!

By reading on, you’ll discover exactly what makes a great shock for your Peterbilt 379. We’ll break down the key features to look for, explain why certain types are better than others, and help you understand how to pick the shocks that will give you the smoothest, safest ride possible. Get ready to transform your Peterbilt 379’s handling and comfort!

Top Shocks For Peterbilt 379 Recommendations

No. 1
TORQUE 2 PCS Heavy Duty Cab Shock Absorber for Peterbilt 357, 367, 375, 376, 377, 378, 379, 386, 388, 389 Models Replacement For Gabriel 83008, Monroe 66145 (2 x TR83008)
  • FITMENT - Peterbilt 357 (1990–2007), 367 (2008–2020), 375 (1987–1996), 376 (1988–1999), 377 (1987–2001), 378 (1990–2007), 379 (1986–2007), 386 (2006–2016), 388 (2008–2015), 389 (2008–2024)
  • SPECS - Extended Length: 12.98 in. // Collapsed Length: 10.15 in. // Stroke: 3.99 in. // Bore: 1-3/8' in. // Dust Tube: Yes // Recoil Cutoff: Yes // Rebound: 699 lb. // Compression: 307 lb.
  • REPLACEMENT - Monroe 66145, 66645 // Gabriel 83008 // Peterbilt 29-02455, 2902455, 654782, R716007 // Dallas D66145 // Flagg F66145
  • 1-Year Unlimited Mile Warranty - includes assurances about the quality of the item, as well as a promise to provide replacement if something goes wrong within a set amount of time.
  • FITMENT - Please, call your dealer and ask for the part number if you are not sure about the fitment. Then we can check it out if shock absorber replaces your part number.
No. 2
Gabriel 89408 GasSLX Adjustable HD Front Shocks Fits Peterbilt 320 357 365 367 377 379 385 387 520 567 579; Kenworth T880 W900 & Tractor Class 7-8; OEM# 680261
  • KEY FEATURES: Gabriel GasSLX adjustable gas shocks are engineered for commercial fleet trucks and trailers. Features three-position settings—Firm, Regular, and Extra Firm—for customized ride control. Advanced design improves stability, reduces sway, and ensures consistent performance under heavy loads. Built with durable construction, corrosion-resistant finish, and OE-style mounts for dependable service in demanding road and weather conditions
  • SPECIFICATIONS: Stroke (in): 6.78 Extended Length (in): 19.68 Upper Mount Code: EB2 Lower Mount Code: EB2 Collapsed Length (in): 12.9
  • INTERCHANGE PART NUMBER: 65101 66535 88-1560 925119 315558 B71-6011 665928 B71-6007 0202737PLUS B716007 680261-2 02-02742-2 02-02737PLUS-2 B716011 02-02737PLUS 680261 02-02737-2 SA5062 RC SA5062 3919932 SA5062 83176224 441 - 85062 9160095 8160938 AMS650101 HD1215-0032 M85062 202742 B71-6011 B716009 680261-2 665928 2027372 B716007 0202737PLUS2 02-02737-2 202737 201787 0202737PLUS 02-02737 6802612 665655 02-02742 680261 B71-6009 2027422 02-01787 B716011 B71-6007 02-02737PLUS-2 02-02737PLUS 02-02742-2 58099-MB 665928 680261 ABP N32 O900019 ABP N32 G900019 HS 85062 85062 89408 85062 F347227 341613
  • COMPATIBLE WITH: 86-07 Peterbilt 379; 87-18 Peterbilt 320; 87-08 Peterbilt 357; 87-96 Peterbilt 375; 87-01 Peterbilt 377; 08-22 Peterbilt 365; 08-24 Peterbilt 367; 88-99 Peterbilt 376; 88-07 Peterbilt 378; 00-02 Peterbilt 376; 11-17 Peterbilt 382 587; 08-15 Peterbilt 388 384; 08-24 Peterbilt 389; 06-16 Peterbilt 386; 17-24 Peterbilt 520; 14-24 Peterbilt 567; 13-18 Peterbilt 579; 18-20 Kenworth W900; Kenworth W900 W900B W900L W900S w/18k to 23k lb Taperleaf Spring Class 8; Peterbilt 385 w/12k to 14k & 18k to 23k lb Taperleaf Spring Axle Truck & Tractor Class 7 8; Peterbilt 387 w/12k to 14k & 18k to 23k lb Taperleaf Spring Axle Tractor Class 8
  • CONFIRMED FIT REQUIRED: To avoid incorrect orders, PLEASE VERIFY COMPATIBILITY BY MATCHING THE OEM PART NUMBER with your vehicle’s specifications and position before purchase. Gabriel FleetLine shocks are engineered for heavy-duty trucks, buses, and commercial fleet vehicles
No. 3
Mytee Products 4 Pack Heavy Duty Shock Absorber for Semi Trucks - Compatible with Peterbilt 367, 377, 379 Series Replaces 83008, AMS66145, 29-02455, 654782
  • Extended Length: 13"; Collapsed Length: 10-1/8"; Upper Mount: ES136
  • External Diameter Illustration: ARebound: 699 lbs; Compression: 307 lbs
  • Note: Make sure to check and confirm the compatibility/OEM of vehicles before installation.
  • 18 Months Warranty - This product is covered for one year or completion of 100,000 miles since installation or 18 months after your purchase, whichever comes first.
SaleNo. 4
Gabriel 83008 FleetLine HD Truck Cab Shocks Fits 2008-2020 Peterbilt 367; 99-01 Peterbilt 377; 99-07 Peterbilt 379; 06-16 Peterbilt 386; 08-15 Peterbilt 388; 08-24 389 OEM# 29-02455
  • Compatible with: 08-20 Peterbilt 367; 99-01 Peterbilt 377; 99-07 Peterbilt 379; 06-16 Peterbilt 386; 08-15 Peterbilt 388; 08-24 Peterbilt 389; All Peterbilt 377 Conventional Models with Unibuilt Cab; All Peterbilt 379 Conventional Models with Unibuilt Cab
  • Specifications: Stroke (in): 4, Extended Length (in): 13, Upper Mount Code: ES136, Lower Mount Code: ES136, Collapsed Length (in): 10.13
  • Interchange Part Number: 66645, 66145, 925001, 317535, R716007, R71-6007, SA3008, 441 - 83008, 9160546, AMS660200, HD1214-0546, M83008, 2902455, R716007, R71-6007, 654782, 29-02455, 72051-MB, ABP N32 O900055, ABP N32 G900055, HS 83008, 83008, F347204
  • Product Features: Designed for long term use with anti-fade performance, maximizing tire life and control. Best suited for commercial fleets and heavy duty trucks
  • Like most commercial vehicle OEM’s (Original Equipment Manufacturers) who consistently choose hydraulic (not gas-charged) shocks for OE Installation, Gabriel FleetLine shocks are also hydraulic (not gas-charged). This is by design because commercial vehicles have very different performance requirements than automotive shocks - which commonly are gas-charged by design. For best commercial vehicle performance, choose FleetLine!
SaleNo. 5
4 PCS TORQUE Heavy Duty Shock Absorber for Peterbilt 320, 330, 335, 337, 340, 348, 357, 359, 362, 365, 367, 375, 377, 378, 379, 384, 386, 388, 389, 520, 567, 579, 587 Models Replaces Gabriel 85311
  • FITMENT - Peterbilt 320 (87–18), 330 (95–21), 335 (05–10), 337 (10–23), 340 (07–10), 348 (10–23), 357 (86–08), 359 (81–88), 362 (81–06), 365 (14–23), 367 (08–24), 375 (87–96), 377 (87–01), 378 (88–07), 379 (86–07), 384 (08–16), 386 (06–13), 388 (08–15), 389 (08–24), 520 (17–24), 567 (14–24), 579 (13–24), 587 (11–18)
  • SPECS - Extended Length : 23.95"/ Collapsed Length : 14.79"/ Stroke : 9.16"/ Upper Mount : Stud/ Lower Mount : Bushings for 1" mounting bolt/ Bore : 1-5/8"
  • REPLACEMENT - Gabriel 85311, 90-1974, 680241, 680586, 0307421PLUS, 03-07421PLUS, CAHL-417, 97999902633, 97-9999-02633, 56101 Z2000, AMS650402, 453527C91, 453528C91, 56101 Z1030, AMS650402, AMS650444, AMS700404, E85311, M85311, 78031-MB, 680385, 680241, 680586, HS 85311, ABP N32 G900031, ABP N32 O900031, 650402MT, 650402, 85311, F346599, 1456033, 341621, 65402, 65444, 66429, 74417, 925155, 315550, 312724, 316310, 317962, SA5311, 83176231, 3199948, 3915948, 3919988, SA5311, 3199988, 3919948, 441 - 853115402, 441 - 853115444, 441 - 853114417, HD1215-0033, HD1215-0082, HD1116-0033, 307421, 680241, 03-07421SPL, 307281, 680586, 03-07424, 307424, 03-07421PLUS, 0307421PLUS, 03-04629, 680459
  • WARRANTY - 1-Year Unlimited Mile Warranty - includes assurances about the quality of the item, as well as a promise to provide replacement if something goes wrong within a set amount of time.
  • FITMENT - Please, call your dealer and ask for the part number if you are not sure about the fitment. Then we can check it out if shock absorber replaces your part number.
SaleNo. 7
2X Cab Shock Absorbers for Peterbilt 357 367 375 Gabriel 83008 Monroe 66145
  • Part Number: 83008 66645 ABPN32O900055 9160546 B716007B716007PLUS HD12140546 R716007 SA66145 2902455 B716007PLUS 98030000 M83008 66145 F347204 317535 ABPN32G900055 F347275 A83008
  • Application Models: Compatible with Peterbilt 357 (1990–2007) 367 (2008–2020) 375 (1987–1996) 376 (1988–1999) 377 (1987–2001) 378 (1990–2007) 379 (1986–2007) 386 (2006–2016) 388 (2008–2015) 389 (2008–2026) Trucks
  • Also Universal for Various Trucks RVs Trailers Buses and Heavy Duty Vehicle Cabs
  • Specifications: Stroke: 3.99''; Collapsed Length: 10.15''; Extended Length: 12.98''; Bore: 1-3/8''; Compressed Length: 9.125''
  • Features: 1. Funtion on heavy duty vehicles on harsher operating conditions, designed to meet high demands of safety and durability for cab suspensions. 2. 10-Stage valving can be tuned specifically to each vehicle and adjust to extreme condition of various roads by 1-3/8'' bore control. 3. Shouldered bushing and bonded bushing with sleeve protect from bushing walkout, arc welds up to 360 degree for flexibility and durability. 4. Made of high-standard material to reduce friction and noise.
No. 8
TORQUE 2 PCS Heavy Duty Shock Absorber for Peterbilt 320, 357, 365, 367, 375, 376, 377, 378, 379, 382, 384, 385, 386, 387, 388, 389, 520, 567, 579, 587 Kenworth W990 Replaces Gabriel 85062 (2xTR85062)
  • FITMENT - Kenworth W990 (2023), Peterbilt 320 (1987–2018), 357 (1986–2008), 365 (2008–2022), 367 (2008–2024), 375 (1987–1996), 376 (1988–1999), 377 (1987–2001), 378 (1988–2007), 379 (1986–2007), 382 (2011–2017), 384 (2008–2016), 386 (2006–2016), 388 (2008–2015), 389 (2008–2024), 520 (2017–2024), 567 (2014–2024), 579 (2013–2018), 587 (2011–2018)
  • SPECS - Extended Length: 19.76 " // Collapsed Length : 12.6" // Stroke : 7.16" // Upper Mount : Bushings for 3/4" mounting bolt // Lower Mount : Bushings for 3/4" mounting bolt // Bore : 1-5/8"
  • INTERCHANGE PART NUMBER: 65101, 66535, 88-1560, 925119, 315558, B71-6011, 02-02742-2, 665928, 02-02737PLUS-2, B71-6007, B716011, 0202737PLUS, 02-02737PLUS, B716007, 680261, 680261-2, 02-02737-2, SA5062, 3919932, 83176224, RC SA5062, SA5062, 441 - 85062, AMS650101, 9160095, 8160938, HD1215-0032, M85062, 02-02737, 202742, 6802612, B71-6011, 665655, B716009, B71-6007, 202737, 02-02737PLUS-2, 680261, 665928, B71-6009, 2027422, B716007, 02-01787, 0202737PLUS2, B716011, 02-02737-2, 02-02742, 680261-2, 201787, 02-02737PLUS, 0202737PLUS, 02-02742-2, 2027372, 89408, 58099-MB, 665928, 680261, ABP N32 O900019, ABP N32 G900019, HS 85062, 85062, F347227, 341613
  • WARRANTY - 1-Year Unlimited Mile Warranty - includes assurances about the quality of the item, as well as a promise to provide replacement if something goes wrong within a set amount of time.
  • FITMENT - Please, call your dealer and ask for the part number if you are not sure about the fitment. Then we can check it out if shock absorber replaces your part number.

Shocks for Your Peterbilt 379: A Smooth Ride Guide

Your Peterbilt 379 is a workhorse. It hauls heavy loads and travels long distances. To keep it running smoothly and comfortably, good shocks are super important. This guide will help you pick the best shocks for your truck.

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What to Look for: Key Features of Great Shocks

When you shop for shocks, keep these important features in mind:

  • Damping Control: This is how well the shock absorbs bumps. Good damping means less bouncing.
  • Durability: Shocks take a beating. You want ones built to last.
  • Ride Comfort: Shocks help make your ride smooth. This is key for long hauls.
  • Load Capacity: Your shocks need to handle the weight your Peterbilt 379 carries.
  • Ease of Installation: Some shocks are easier to put on than others.
Important Materials for Tough Shocks

The materials shocks are made from really matter.

  • Steel: Most shock bodies are made of strong steel. This helps them handle pressure.
  • Rubber: Bushings are usually made of tough rubber. They help soak up vibrations.
  • Oil/Gas: Shocks use oil or gas inside to control movement. High-quality oil or gas makes a big difference.
What Makes Shocks Better or Worse?

A few things change the quality of your shocks.

  • Quality of Construction: How well the shock is put together matters. Tight seals and strong welds mean a better shock.
  • Brand Reputation: Some brands are known for making great truck parts. Researching brands helps you find reliable ones.
  • Design: The way a shock is designed affects how it works. Some designs are better for heavy trucks like yours.
  • Manufacturing Process: Using good machines and careful steps during making helps create top-notch shocks.

User Experience and When to Use Them

Good shocks make a huge difference for drivers.

  • Less Fatigue: When the ride is smooth, drivers get less tired. This is great for long trips.
  • Better Handling: Shocks help your truck stay on the road. This is important for safety.
  • Protecting Your Truck: Smooth rides mean less shaking. This helps protect other parts of your truck.
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You’ll use these shocks every time you drive your Peterbilt 379. They are essential for both daily work and long-haul trucking.

Frequently Asked Questions (FAQ) about Peterbilt 379 Shocks

Q: How often should I replace my Peterbilt 379 shocks?

A: You should check your shocks every 50,000 miles. Replace them if they look worn or you notice a rougher ride.

Q: Can I use shocks from a different truck model?

A: It’s best to use shocks made specifically for the Peterbilt 379. They are designed to fit and work with your truck’s weight and suspension.

Q: What are the signs that my shocks need replacing?

A: Signs include a bouncy ride, the truck leaning when turning, or if you see oil leaks on the shock body.

Q: Are gas shocks better than oil shocks for a Peterbilt 379?

A: Gas shocks often offer better performance and last longer, especially for heavy-duty trucks. They can help prevent the shock from overheating.

Q: Do I need special tools to install Peterbilt 379 shocks?

A: Usually, you’ll need basic tools like wrenches and sockets. Sometimes, a jack and jack stands are needed for safety.

Q: Will new shocks improve my Peterbilt 379’s fuel economy?

A: Good shocks help your truck handle better, which can indirectly help with fuel efficiency by reducing drag and keeping tires on the road.

Q: Where can I buy quality shocks for my Peterbilt 379?

A: You can buy them from truck parts suppliers, online retailers, or directly from Peterbilt dealerships.

Q: What is the warranty typically like for Peterbilt 379 shocks?

A: Warranties vary by brand, but many offer at least one year. Some premium shocks might have longer warranties.

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Q: Can I upgrade my shocks for a smoother ride?

A: Yes, many aftermarket shocks are designed for improved comfort and performance. Look for shocks that offer adjustable damping.

Q: How do I know which shock length I need?

A: The shock length is crucial for proper fit. You can find the correct length in your Peterbilt 379’s owner’s manual or by measuring your old shocks when they are installed.

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