Rear Shock Absorber | 1981-2020 Kenworth W900 | MOOG

  • monroe-66424 Rear Shock Absorber - Monroe Magnum

Rear Shock Absorber - Monroe Magnum

Manufacturer: Monroe
Part Number: monroe-66424
Price: $105.67

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  • The Quick-Strut line comes with a Lifetime warranty handled through Monroe.
    The Roadmatic line is not covered by a warranty.
    We will provide the warranty form that will then be sent, by the customer, to Monroe and they handle the process from there.
    * All warranty claims are subject to approval by Monroe.
    Please contact us for further information.

    Limited to ONE replacement during guarantee period

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FitmentRear Shock Absorber - Monroe Magnum monroe-66424 fits these vehicles:
Details

Rear Shock Absorber | 1981-2020 Kenworth W900 | MOOG

Specific Fitment Distinctions:

  • Position: Rear.
  • Notes: Shock Absorbers are 1.38 Bore Diameter.
1981-1989 Kenworth C500
  • (Air Glide 100 Rear Suspension; Replaces OE Part Number(s) K37429)
  • (Replaces OE Part Number(s) 665945; with 46,000 Gross Vehicle Weight (GVW); with with Air Glide 200 Suspension)

Air Glide 100 Rear Suspension; Replaces OE Part Number(s) K37429

  • 1990-2016 Kenworth C500
  • 1985-2003 Kenworth K100E
  • 2005-2006 Kenworth K100E
1981-1985 Kenworth K100
  • (Air Glide 100 Rear Suspension; Replaces OE Part Number(s) K37429; with 8 Air Springs)
1993-1999 Kenworth K300
  • (Air Glide 100 Rear Suspension; Replaces OE Part Number(s) K37432; with 8 Air Springs)
1997-2001 Kenworth T2000
  • (Replaces OE Part Number(s) 665945; with 46,000 Gross Vehicle Weight (GVW); with 8 Air Springs; with with Air Glide 200 Suspension)
2002-2011 Kenworth T2000
  • (Air Glide 100 Rear Suspension; Replaces OE Part Number(s) K37432)
  • (Replaces OE Part Number(s) 665945; with 46,000 Gross Vehicle Weight (GVW); with 8 Air Springs; with with Air Glide 200 Suspension)
1995-2008 Kenworth T300
  • (Air Glide 100 Rear Suspension; Replaces OE Part Number(s) K37432; with 8 Air Springs)
  • (Replaces OE Part Number(s) 665945; with 46,000 Gross Vehicle Weight (GVW); with 8 Air Springs; with with Air Glide 200 Suspension)

Air Glide 100 Rear Suspension; Replaces OE Part Number(s) K37487
Replaces OE Part Number(s) 665945; with 46,000 Gross Vehicle Weight (GVW); with 8 Air Springs; with with Air Glide 200 Suspension

  • 1982 Kenworth T400
  • 1984 Kenworth T400
  • 1998-1999 Kenworth T400
1989-1997 Kenworth T400
  • (Air Glide 100 Rear Suspension; Replaces OE Part Number(s) K37487)
  • (Air Glide 100 Rear Suspension; Replaces OE Part Number(s) K374C7)
  • (Replaces OE Part Number(s) 665945; with 46,000 Gross Vehicle Weight (GVW); with 8 Air Springs; with with Air Glide 200 Suspension)
1986-2008 Kenworth T600A
  • (Air Glide 100 Rear Suspension; Replaces OE Part Number(s) K37487; with 8 Air Springs)

Air Glide 100 Rear Suspension; with 8 Air Springs

  • 1987-2024 Kenworth T800
  • 1981-2024 Kenworth W900

Replaces OE Part Number(s) 0307420; with with Quadraflex 4 Spring Suspension

  • 2008-2012 Peterbilt 365
  • 2008-2018 Peterbilt 367
  • 2008-2016 Peterbilt 384
  • 1996-2007 Peterbilt 385
  • 2006-2016 Peterbilt 386
  • 2011-2016 Peterbilt 587
Monroe Magnum heavy duty commercial shock absorber

Magnum Shocks

Large bore shock absorbers for durability, stability and comfort to handle high-mileage and severe use, delivering reduced cost per mile.

Heavy Duty Durability for Commercial Vehicles

PTFE Coated Bearing

Reduces friction between the rod and the rod guide for improved durability.

Robust Hydraulic Lock-Out

Hydraulic lock-out design* prevents over-extension of the suspension, top-out of the piston and averts damage to the seal assembly while maintaining full rod strength.

Proprietary Shouldered Bushing

Shouldered bushing or bonded bushing with sleeve are used where applicable to prevent bushing walkout for improved quality and durability.

*Where applicable.

Monroe Heavy Duty

Full line offering of commercial vehicle ride control solutions backed by OE expertise and innovative technologies trusted by OE manufacturers to maximize vehicle performance.

Fitment for monroe-66424

All Vehicles: Shock Absorbers are 1.38 Bore Diameter.

YearsMakeModelPositionNotes
1981 - 1989KenworthC500RearAir Glide 100 Rear Suspension; Replaces OE Part Number(s) K37429, Replaces OE Part Number(s) 665945; with 46,000 Gross Vehicle Weight (GVW); with with Air Glide 200 Suspension
1990 - 2015KenworthC500RearAir Glide 100 Rear Suspension; Replaces OE Part Number(s) K37429
1981 - 1985KenworthK100RearAir Glide 100 Rear Suspension; Replaces OE Part Number(s) K37429; with 8 Air Springs
1985 - 2003, 2005 - 2006KenworthK100ERearAir Glide 100 Rear Suspension; Replaces OE Part Number(s) K37429
1993 - 1999KenworthK300RearAir Glide 100 Rear Suspension; Replaces OE Part Number(s) K37432; with 8 Air Springs
1997 - 2001KenworthT2000RearReplaces OE Part Number(s) 665945; with 46,000 Gross Vehicle Weight (GVW); with 8 Air Springs; with with Air Glide 200 Suspension
2002 - 2011KenworthT2000RearAir Glide 100 Rear Suspension; Replaces OE Part Number(s) K37432, Replaces OE Part Number(s) 665945; with 46,000 Gross Vehicle Weight (GVW); with 8 Air Springs; with with Air Glide 200 Suspension
1995 - 2008KenworthT300RearAir Glide 100 Rear Suspension; Replaces OE Part Number(s) K37432; with 8 Air Springs, Replaces OE Part Number(s) 665945; with 46,000 Gross Vehicle Weight (GVW); with 8 Air Springs; with with Air Glide 200 Suspension
1982, 1984, 1998 - 1999KenworthT400RearAir Glide 100 Rear Suspension; Replaces OE Part Number(s) K37487, Replaces OE Part Number(s) 665945; with 46,000 Gross Vehicle Weight (GVW); with 8 Air Springs; with with Air Glide 200 Suspension
1989 - 1997KenworthT400RearAir Glide 100 Rear Suspension; Replaces OE Part Number(s) K37487, Air Glide 100 Rear Suspension; Replaces OE Part Number(s) K374C7, Replaces OE Part Number(s) 665945; with 46,000 Gross Vehicle Weight (GVW); with 8 Air Springs; with with Air Glide 200 Suspension
1986 - 2007KenworthT600ARearAir Glide 100 Rear Suspension; Replaces OE Part Number(s) K37487; with 8 Air Springs
1987 - 2024KenworthT800RearAir Glide 100 Rear Suspension; with 8 Air Springs
1981 - 2024KenworthW900RearAir Glide 100 Rear Suspension; with 8 Air Springs
2008 - 2012Peterbilt365RearReplaces OE Part Number(s) 0307420; with with Quadraflex 4 Spring Suspension
2008 - 2018Peterbilt367RearReplaces OE Part Number(s) 0307420; with with Quadraflex 4 Spring Suspension
2008 - 2016Peterbilt384RearReplaces OE Part Number(s) 0307420; with with Quadraflex 4 Spring Suspension
1996 - 2007Peterbilt385RearReplaces OE Part Number(s) 0307420; with with Quadraflex 4 Spring Suspension
2006 - 2016Peterbilt386RearReplaces OE Part Number(s) 0307420; with with Quadraflex 4 Spring Suspension
2011 - 2016Peterbilt587RearReplaces OE Part Number(s) 0307420; with with Quadraflex 4 Spring Suspension

Canada Market Only (vehicles not sold in USA):

YearsMakeModelPositionNotes
2016KenworthC500RearAir Glide 100 Rear Suspension; Replaces OE Part Number(s) K37429

Mexico Market Only (vehicles not sold in USA):

YearsMakeModelPositionNotes
2008KenworthT600ARearAir Glide 100 Rear Suspension; Replaces OE Part Number(s) K37487; with 8 Air Springs
Overview
GradePremium
Active or Passive SuspensionPassive
Dimensions
Extended Length477.4mm (18.797 in)
Compressed Length306mm (12.047 in)
Travel Length171.5mm (6.75 in)
Features
Gas ChargedYes
Adjustable Ride HeightNo
Adjustable CompressionNo
Adjustable ReboundNo
Materials, color & finish
ColorBlack
Cylinder FinishPainted
What's included
Dust Shield IncludedYes
Includes Bump StopNo
Mounting Hardware IncludedYes
OEM part numbers Monroe 66424 replaces

Monroe 66424 is an aftermarket replacement part. It replaces the original equipment part numbers listed below for the vehicles this part fits. It is not a genuine manufacturer part, and the numbers below are shown for identification only.

Vehicle manufacturerOEM part number replaced
Kenworth665906
KenworthK3747
KenworthK37487
Peterbilt0304628
Peterbilt0307420