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Gabriel 89430 GasSLX Adjustable Heavy Duty Front/Rear Shock Absorbers for Chevy & GMC 4000 5000 6000 Series; Ford F-53 Motorhome Chassis; Freightliner; Kenworth; Mack; Peterbilt OEM# ASH25820 (1 Pack)

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$65.01

$ 26 .99 $26.99

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1.Style:89401


About this item

  • Vehicle Fitment: [FRONT] 60-68 Chevy 4 40 4000 & 4500 Series; 63-68 5 50 5000 & 5500; 73-74 6 60 6000 & 6500; 80-79 6 60 6000 & 6500; 73-76 7 70 & 7000; 64-63 GMC 3500 4000; 73-72 4500; 64-63 5000; 63-67 5500; 66-68 6000; 66-70 6500; 79-80 7000; 70-80 7500; 05-10 Hino 145, 165, 185; 20-23 Holiday Rambler Invicta; 09-23 Vacationer; 00-09 International 5900i; 91-07 Mack CL; 98-05 CX; 83-94 MH; 85-93 RW; 94-21 Watson & Chalin WCTL-2200; Autocar A42B A42F A64B A64F; Freightliner Bus Chassis School Bus; International Series 8000; Kenworth T300 T600 T600A T600B T602 W900 W900B W900L W900S; Reyco Suspension Steer Axle; Tuthill Technologiies Steer Axle
  • Vehicle Fitment: [REAR] Blue Bird Buses; Boydstun Trailers; 71-72 Chevy 5 50 5000 & 5500 - Exc. Tilt Cab Rear; 72-71 Chevy 6 60 6000 & 6500; 75-78 Chevy 6 60 6000 & 6500; 87-89 Chevy 6 60 6000 & 6500; 85-89 Chevy 7 70 & 7000; Cush Trailer; East Trailers; 19-23 Entegra Coach Emblem; 20-23 Vision XL Fortis; 08-23 Fleetwood Bounder, Southwind; 21-20 Ford F-53; 08-23 Ford F-53 Motorhome; 20-24 Forest River Georgetown GT7; 02-23 Freightliner M2 106; Gillig Phantom; 67-72 GMC 4500; 66-71 GMC 5500; 73-80 GMC 6500; 85-79 GMC 7000; Hendrickson Trailer Suspension Systems; International Series 5000 5000i 8000 9100 9100i 9200 9200i 9300 9300i 9400 & 9400i 9600 & 9700 9800 9900 9900i 9900ix Class 7 - 8
  • Vehicle Fitment: [REAR] 13-24 Kenworth K270; 93-05 K300; 13-24 K370; 08-22 T170 T270 T370; 21-24 T280 T380; 99-08 T300; 12-21 T440 T680; 17-21 T440; 20-19 T470; 87-24 T800; 11-22 T880; 06-22 W900; 19-22 W990; 89-05 Mack CH; 08-15 Peterbilt 210; 07-24 220; 87-18 320; 08-19 325; 95-22 330; 10-22 337, 365 348; 11-17 382 587; 17-22 520; 22-24 537; 13-24 579; 97-00 Safari Motor Coach Magnum; 11-24 Thor Motor Coach Outlaw; 12-22 Western Star 4700SB, 4700SF; 08-23 Winnebago Adventurer; 16-22 Sunstar; 08-22 Vista; Wabash National Trailers; WCTA Series Dump; WCTA Series; WCWB Series; Reyco Suspension Drive Axle 102 102W 79KB; Ridewell Trailer Air-Rides; SAF Holland Trailer Air Suspension
  • Specifications: Stroke (in): 8.94 Extended Length (in): 24.61 Upper Mount Code: ES36 Lower Mount Code: ES36 Collapsed Length (in): 15.66
  • Interchange Part Number: CAX-894 AX-97A CAX-833 ASH-1162 ASH-25820 ASH25820 ASH1162 AMS600102 AMS650110 AMS650421 AMS660172 AMS600172 AMS660102 E85005 508-30 550-73 550-13 ASH-1162 ASH1162 ASH25820 ASH-25820 B462092 5170500123 517-05001-23 90044001 90045096 90045433 90044626 671931 90045418 AR134C 90045384 AR-134-C 90045175 671921 ABP N32 G900054 ABP N32 G900056 ABP N32 O900054 ABP N32 O900056 HS 85005 85005 83126 85916 89430 83126 85005 85916 ASH1162 ASH-1162 ASH25820 ASH-25820 F347315 F347331 F347270 HU9Z-18125-A ASH-1162 ASH-25820 HU9Z18125A ASH1162 ASH25820 3192890 22012166 22007701 4975497 4940606 3171462 22012095


Product Description

Gabriel GasSLX – Shocks Absorber | Gas-Charged Heavy-Duty Shocks for Commercial Vehicles Trucks & Buses (Heavy Duty & Commercial Vehicles)

About Gabriel

Gabriel’s legacy in automotive suspension innovation continues w/ the GasSLX series delivering advanced gas charged shock absorbers for heavy duty commercial vehicles. Designed for trucks Trailers and buses GasSLX shocks provide a smoother more controlled ride

Product Details

GasSLX Shocks – Adjustable Commercial Truck and Trailer Shocks (89000 series) - The three position GasSLX adjustable shocks absorbers by Gabriel allow you to choose from one of three settings Firm Regular and Extra Firm to match different applications. The GasSLX shock incorporates a gas cell design creating a physical barrier between gas and fluid preventing aeration which can cause fade or reduction in damping force. This gas cell technology is a full life feature and is better suited for longer life commercial vehicle applications. And like all Gabriel shocks and struts GasSLX shocks feature a super-finished chrome piston rod for superior corrosion resistance and a leak-proof piston seal which extends product life. Advanced gas cell technology improves gas retention and provides more consistent high temperature operation. Unique pressurized piston seal design reduces force velocity variabilities and self-compensates for wear. Gas Cell design is superior to gas charged shocks; gas cell double seals gas from fluid for optimum performance

Product Features

  • Top of the line adjustable heavy-duty gas shock for class 7 – 8 vehicles school buses and transit buses
  • Three settings for adjustability: OE ride (firm) increased handling & control (extra firm) or maximum driver comfort (regular)
  • Specially formulated high temp. fluid & multi-lip Viton rod seal reduces friction & wear even in extreme operating conditions
  • Chromed piston rod to inhibit corrosion ensure proper seal lubrication and provide a more consistent wear surface

Installation

Professional installation is recommended to ensure optimal performance in heavy-duty vehicles. Follow OEM guidelines for installation and torque specifications

Vehicle Fitment

Fits heavy-duty trucks Trailers and buses

Autocar A42B A42F A64B A64F Front Class 8; 60-68 Chevy 4 40 4000 & 4500 Series Front; 69-70 Chevy 4 40 4000 & 4500 Series Forward Control w/ Tilt Cab Front; 63-68 Chevy 5 50 5000 & 5500 Series Front; 69-70 Chevy 5 50 5000 & 5500 Series Forward Control w/ Tilt Cab Front; 71-72 Chevy 5 50 5000 & 5500 Series TDM 4 Cycle Detroit Diesel w/ Tandem Axle - Exc. Tilt Cab Rear; 68-69 Chevy 6 60 6000 & 6500 Series All w/ 9k & 11k lb Axles - Exc. Tilt Cab Front; 71-72 Chevy 6 60 6000 & 6500 Series TDM 4 Cycle Detroit Diesel w/ Tandem Axle Rear; 72-71 Chevy 6 60 6000 & 6500 Series Convl Cab & Tilt Cab w/ 9k & 11k lb Axles Rear; 73-74 Chevy 6 60 6000 & 6500 Series Front; 75-78 Chevy 6 60 6000 & 6500 Series w/Air Brakes Rear; 78-79 Chevy 6 60 6000 & 6500 Series C S T Chassis Conv & Tilt Cab and School Bus w/ 5k & 7k lb Axle Front Class 6; 80-79 Chevy 6 60 6000 & 6500 Series W Chassis 72" BBC Steel Tilt Cab Front; 87-89 Chevy 6 60 6000 & 6500 Series B6P042 School Bus w/18k or 20k lb Springs Rear School Bus Class 6 7; 72-69 Chevy 7 70 & 7000 Series 72" BBC Steel Tilt Cab w/ V-6 2 Cycle Diesel Engine Front Class 6 7; 73-76 Chevy 7 70 & 7000 Series T W Chassis 72" BBC Steel Tilt Cab 4x2 w/ V-6 Diesel Engine Front Class 6 7; 85-89 Chevy 7 70 & 7000 Series C M Chassis 97" BBC Conv Cab Rear Class 6 7; 19-23 Entegra Coach Emblem; 20-23 Entegra Coach Vision XL; 20-23 Fleetwood Fortis; 08-23 Fleetwood Bounder, Southwind; 21-20 Ford F-53 Chassis w/ 24k to 26k lb GVW Rear; 08-23 Ford F-53 Motorhome Chassis; 20-24 Forest River Georgetown GT7; 64-63 GMC 3500 & 4000 Series Truck and School Bus Front; 67-72 GMC 4500 Series Cab/Cowl w/ V-6 Gas or Diesel or In-line 6 Gas Engines Rear; 73-72 GMC 4500 Series Step Van (Walk-in) 3/4" Upper bolt Front; 64-63 GMC 5000 Series Front; 63-67 GMC 5500 Series Front; 66-71 GMC 5500 Series Cab/Cowl w/ 6 Cyl Engines Rear; 68-67 GMC 5500 Series Conv & Tilt Cab w/ V-6 Gas or Diesel Engines Front; 73-89 GMC 5500 Series C S Chassis Conv Cab and School Bus Front; 66-68 GMC 6000 Series Front; 79-80 GMC 6000 Series W Chassis 72" BBC Steel Tilt Cab Front; 66-70 GMC 6500 Series CM-6500 TE-6500 TM-6500 Conv Cab w/ V-6 Diesel or V-8 Gas Engine Front; 67-70 GMC 6500 Series CE-6500 ME-6500 Conv Cab w/ V-8 Gas Engine w/ 11k lb Axle Front; 73-74 GMC 6500 Series C M Chassis Conv Cab w/ 9k & 12k lb Axle Front; 73-80 GMC 6500 Series C M S Chassis Conv Cab and School Bus w/ 20k or 23k lb Axle Rear, C S T Chassis Front Bus Class 6; 79-80 GMC 7000 Series W Chassis 72" BBC Steel Tilt Cab Front Class 6 7; 85-79 GMC 7000 Series C M Chassis 97" BBC Conv Cab w/ 18k 20k & 23k lb Axle Rear Class 6 7; 70-72 GMC 7500 Series 72" BBC Tilt Cab w/ Air Brakes - Exc. Gas Engine Front Class 6 7 8; 74-80 GMC 7500 Series T W Chassis 72" BBC Steel Tilt Cab w/ V-6 Diesel Engine Front Class 6 7 8; 02-23 Freightliner M2 106; 05-10 Hino 145, 165, 185; 20-23 Holiday Rambler Invicta; 09-23 Holiday Rambler Vacationer; 00-09 International 5900i; 13-24 Kenworth K270; 93-05 Kenworth K300; 13-24 Kenworth K370; 08-22 Kenworth T170; 08-23 Kenworth T270; 21-24 Kenworth T280; 99-08 Kenworth T300; 08-23 Kenworth T370; 22-24 Kenworth T380; 12-21 Kenworth T440 w/ Reyco 102 or 79KB Suspension (Drive Axle) Rear Class 7 - 8; 17-21 Kenworth T440 w/ 21k to 23k lb Reyco Spring Suspension Rear Class 7 - 8; 20-19 Kenworth T470 w/ Reyco 102 or 79KB Suspension (Drive Axle) Rear Class 7 - 8; 13-22 Kenworth T680; 87-24 Kenworth T800; 11-22 Kenworth T880; 06-22 Kenworth W900; 19-22 Kenworth W990; 89-05 Mack CH; 91-07 Mack CL; 98-05 Mack CX; 83-94 Mack MH; 85-93 Mack RW; 97-00 Safari Motor Coach Class A MotorHomes Magnum Air B Series (Air-Ride) (4 Units Req’d Front & Rear) Front & Rear Motor Home; 11-24 Thor Motor Coach Outlaw; 08-15 Peterbilt 210; 07-24 Peterbilt 220; 87-18 Peterbilt 320; 08-19 Peterbilt 325; 95-22 Peterbilt 330; 10-22 Peterbilt 337, 365; 10-23 Peterbilt 348; 11-17 Peterbilt 382; 17-22 Peterbilt 520; 22-24 Peterbilt 537; 13-24 Peterbilt 579; 11-18 Peterbilt 587; 94-21 Watson & Chalin Mfg. Inc. WCTL-2200 Series Trailer Air Lift TL-2590-121415 & 17 Rear Trailer; 12-22 Western Star 4700SB, 4700SF; 08-23 Winnebago Adventurer; 16-22 Winnebago Sunstar; 08-22 Winnebago Vista; Blue Bird Buses w/ Flat Leaf Rear Spring Suspensions (8k to 10k lb) Rear School Bus Class 7, All American Series (FE & RE Models) Buses w/ 19k lb - 21k lb - 2 Stage Leaf Springs Rear School Bus Class 7; Boydstun Equipment Manufacturing Various Trailers w/ Ridewell RAR-210 RAR-221AS-11-USW RAR-221AS-11-1-USW Suspensions Rear Trailer; Cush Corporation Various Models Rear Trailer; East Manufacturing Various Trailers Rear Trailer; Freightliner Bus Chassis School Bus Chassis w/ 7k lb Suspension Front Heavy Duty; Freightliner Various Models w/ 7k lb Suspension Front Heavy Duty; Gillig Various Phantom Models Rear Class 7 - 8; Hendrickson Trailer Suspension Systems HK HK200M (Std w/ 11" - 12" Ride Height) Rear Trailer; Hendrickson Trailer Suspension Systems Intraax AAEDL 30K (Ext Service w/ 14" - 15" Ride Height & High Damping - Rear Mounting), AAEDT 30K, AAL 23K 25K & 30K, AANL 23K (Extended Service w/ 8" - 12" Ride Height & High Damping - Rear Mounting) Rear Trailer; Hendrickson Trailer Suspension Systems Top Mount Style TMB-17-135 Rear; Hendrickson Trailer Suspension Systems UnderSlung Style T-9-106 -278 -313 Rear; Hendrickson Trailer Suspension Systems Vantraax HKARL 46K Rear; International Series 5000 5000i Severe Service Conv 6x4 Models w/ Neway AD-246-10 60" Axle Spacing Rear Class 8; International Series 8000 Conventional Heavy Duty Tractor w/ Hendrickson HA-460 w/ 55" & 60" axle spacing and 40k & 46k lb capacity Rear Class 7 - 8; International Series 8000 Conventional Heavy Duty Tractor w/ Hendrickson HA-230 Rear Class 7 - 8; International Series 8000 Conventional Heavy Duty Tractor w/ Neway AD-246-10 60" Axle Spacing Rear Class 7 - 8; International Series 9100 9100i Tractor & Straight Truck 6x4 w/ Neway AD-246-10 60" Axle Spacing Rear Class 7 - 8; International Series 9100 9100i Tractor & Straight Truck w/ Hendrickson HA-460 Rear Class 7 - 8; International Series 9200 9200i Tractor & Straight Truck 6x4 w/ Neway AD-246-10 60" Axle Spacing Rear Class 7 - 8; International Series 9200 9200i Tractor & Straight Truck w/ Hendrickson HA-460 Rear Class 7 - 8; International Series 9300 9300i 9400 & 9400i Long Hood Conv 6x4 w/ Neway AD-246-10 60" Axle Spacing Rear Class 7 - 8; International Series 9300 9300i 9400 & 9400i Long Hood Conv w/ Hendrickson HA-460 Rear Class 7 - 8; International Series 9600 & 9700 Premium Cabover Tractor w/ Hendrickson HA-460 w/ 55" or 60" axle spacing and 40k or 46k lb capacity Rear Class 7 - 8; International Series 9800 Premium Cabover Tractor 6x4 w/ Neway AD-246-10 60" Axle Spacing Rear Class 7 - 8; International Series 9800 Premium Cabover Tractor w/ Hendrickson HA-460 w/ 55" & 60" axle spacing and 40k & 46k lb capacity Rear Class 7 - 8; International Series 9900 9900i 9900ix Long Hood Conv Truck 6x4 w/ Neway AD-246-10 60" Axle Spacing Rear Class 8; Kenworth T300 w/ Reyco 102 or 79KB Suspension (Drive Axle) Rear Class 6 7 8; Kenworth T300 w/ Reyco 1209 or 1212 Suspension (Steer Axle) Front Class 6 7 8; Kenworth T600 T600A T600B T602 w/ Reyco 102 or 79KB Suspension (Drive Axle) Rear Class 8; Kenworth T600 T600A T600B T602 w/ Reyco 1209 or 1212 Suspension (Steer Axle) Front Class 8; Kenworth W900 W900B W900L W900S w/ Reyco 102 or 79KB Suspension (Drive Axle) Rear Class 8; Kenworth W900 W900B W900L W900S w/ Reyco 1209 or 1212 Suspension (Steer Axle) Front Class 8; Mc Neilus Truck & Man Rear Bus; Oshkosh Motor Truck Various Rear Heavy Duty; Reyco Suspension Drive Axle 102 102W 79KB Rear Class 6 7 8; Reyco Suspension Steer Axle 1209 1212 Front Heavy Duty; Ridewell Trailer Air-Rides RAR-210, RAR-221AS-11-USW, RAR-221AS-11-1-USW Rear ; Ridewell Truck Air-Rides RSS-236 RSS-236R Self Steering Tag/Pusher Lift Axle (13k & 16k lb Capacity) Rear; SAF Holland Trailer Air Suspension AR-120, AR-125, AR-165-US (AR165-US), AR-70, AR-75, AR-80, ARS112 (ARS112-6), RLU-228 (w/4" Axle Travel Up), RLU-228 Rear Trailer; Tuthill Technologiies Drive Axle 79KB Rear Heavy Duty; Tuthill Technologiies Steer Axle 1209 1212 Front Heavy Duty; Wabash National Various Trailers w/ Aurora part number Rear; Watson & Chalin LWSL-1100-SR Self Steer Axle Suspension SL-1100-LR Rear Heavy Duty; Watson & Chalin Trailer TA-2590-12 14 15 & 17 Rear; Watson & Chalin WCTA Series Dump Trailer Air Suspension TA-1900-18 -19, TA-5000-DB-19 -F-19 Rear; Watson & Chalin WCTA Series Trailer Air Suspension TA-2075-9, TA-380-9 Rear Trailer; Watson & Chalin WCWB Series Trailer Air Suspension WB-2500-7.5 -9 Rear

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The three position GasSLX adjustable shocks absorbers by Gabriel allow you to choose from one of three settings – Firm, Regular and Extra Firm – to match different applications. The GasSLX shock incorporates a gas cell design, creating a physical barrier between gas and fluid, preventing aeration which can cause fade, or reduction in damping force. This gas cell technology is a full-life feature and is better suited for longer-life commercial vehicle applications. And like all Gabriel shocks and struts, GasSLX shocks feature a super-finished chrome piston rod for superior corrosion resistance and a leak-proof piston seal which extends product life.



All Gabriel shocks and struts feature a super-finished chromed piston rod that
provides superior corrsion resistance for longer life. View larger

Gabriel GasSLX Shocks feature:

  • Advanced gas cell technology improves gas retention and provides more consistent high temperature operation
  • Unique pressurized piston seal design reduces force-velocity variabilities and self compensates for wear
  • Cold formed, 360 degree arc-welded eye-ring and mounts along with specially formulated high temperature fluid improve durability
  • Multi-lip viton piston rod seal and chrome silicon spring valving provide advanced performance

And like all Gabriel shocks and struts, GasSLX Shocks feature:

  • A super-finished chromed piston rod to inhibit corrosion, ensure proper seal lubrication, provide a more consistent wear surface
  • A leak-proof piston seal which extends product life
  • D.O.M. (Drawn-Over-Mandrel) Tubing that reduces internal wear for longer product life
About Gabriel

Starting in 1907, Gabriel invented the original shock absorber, followed by the first hydraulic shock absorber, the first adjustable shock absorber and the first air adjustable shock absorber. And today, it's still that same innovative, independent American company--building high-performance shocks and struts that cover over 96% of North American vehicles. Gabriel continues adding new product coverage, including expanding their line of ReadyMount strut assemblies, which make installation faster, safer and easier. And Gabriel continues that independent spirit, working hard to deliver innovative new products and services, every day.



Customer
Reviewed in the United States on March 26, 2025
Bought a year ago for my coronado. Have 20000 miles on them all 4 rears are junk leaking oil and are no good TOTALLY JUNK.. don't waist your money..
MDH
Reviewed in the United States on January 12, 2025
Went off a jump (bridge transition) in MO and broke my lower mount off, so ya... these are still working good. I have the hard setting on and my tires wear good yet. Ride is ok... its a semi, cant expect too much comfort.
Tyler
Reviewed in the United States on April 19, 2025
Much better than Monroe. Put these on my pete steer axle, much better ride. The firm setting works for me.
Joshua
Reviewed in the United States on May 4, 2024
Every truck is different so it may not apply to your truck but I had these shocks the past two years and just bought them again last time was on firm setting and this time on regular. Huge difference. Regular is the way to go. Firm was too firm, was like a wagon! And there’s and xtra firm setting!!! Pete 579
brad cousens
Reviewed in the United States on May 14, 2024
True fit, easy to install and last a long time. I've purchased two sets of these and installed them on both my trucks. They make for a smooth ride.
Dustin goode
Reviewed in the United States on December 9, 2024
I love them they work better than the ones I been buying at Kenworth I highly recommend
Customer
Reviewed in the United States on October 20, 2024
Easy install. Good riding.Quality rubber bushings.
Scott E Best
Reviewed in the United States on August 26, 2021
It’s nice that they are adjustable but in order to adjust them you have to remove them from the truck. I put them on extra firm and I like them at that setting on my 05 Freightliner Century. They are Better than the Monroe’s…now let’s see how long they last.
mario lamontagne
Reviewed in Canada on November 30, 2021
Gabriel is a brand that we buy often, but it is the first time that I bought adjustable ones. I bought two of them, one is leaking after a month, and there is no way I can reach the seller, so I'll take the next ones somewhere else!
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