Rear Shock Absorber Replacement | 1989-2003 Mack CH

  • monroe-66638 Rear Shock Absorber - Monroe Magnum

Rear Shock Absorber - Monroe Magnum

Manufacturer: Monroe
Part Number: monroe-66638
Price: $91.04

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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-66638 fits these vehicles:
Details

Rear Shock Absorber Replacement | 1989-2003 Mack CH

Specific Fitment Distinctions:

  • Position: Rear.
  • Notes: Shock Absorbers are 1.38 Bore Diameter.
1981-1989 Ford CL9000
  • (Replaces OE Part Number(s) D7HA18080AA; with Neway Air Suspension; with Tandem Rear Axle)
1981-1989 Ford CLT9000
  • (Replaces OE Part Number(s) D7HA18080AA; with Neway Air Suspension; with Tandem Rear Axle)
2003-2018 IC Corporation RE School Bus
  • (Low Profile; Replaces OE Part Number(s) 537524C91)
1981-1989 International 2275
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1981-2002 International 2554
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1990-2003 International 2574
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1984-1989 International 2575
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1990-1994 International 3700
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1987 International 3800
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1990-2004 International 3800
  • (Bus (School) - Cab Forward, Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1989-1996 International 9600
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1989-1996 International 9700
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1979-1989 International F2275
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1979-1989 International F2554
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1979-1989 International F2574
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1979-1989 International F2575
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1980-1989 International F2654
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1979-1989 International F2674
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1980-1985 International S1723
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1980-1982 International S1823
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1981-1989 International S1853
  • (Replaces OE Part Number(s) 537524C91; with Neway ARD-234 Air Suspension)
1989-2005 Mack CH
  • (Replaces OE Part Number(s) 14QK393M; with AL Suspension)
1983-1994 Mack MH
  • (Replaces OE Part Number(s) 14QK393M; with Neway ARD-234 Air Suspension)
1989-2005 Mack RB
  • (Replaces OE Part Number(s) 14QK393M)
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-66638
YearsMakeModelPositionBody TypeNotes
1981 - 1989FordCL9000RearReplaces OE Part Number(s) D7HA18080AA; Shock Absorbers are 1.38 Bore Diameter; with Neway Air Suspension; with Tandem Rear Axle
1981 - 1989FordCLT9000RearReplaces OE Part Number(s) D7HA18080AA; Shock Absorbers are 1.38 Bore Diameter; with Neway Air Suspension; with Tandem Rear Axle
2003 - 2018IC CorporationRE School BusRearLow Profile; Replaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter
1981 - 1989International2275RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1981 - 2002International2554RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1990 - 2003International2574RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1984 - 1989International2575RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1990 - 1994International3700RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1987International3800RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1990 - 2004International3800RearBus (School) - Cab ForwardReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1989 - 1996International9600RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1989 - 1996International9700RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1979 - 1989InternationalF2275RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1979 - 1989InternationalF2554RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1979 - 1989InternationalF2574RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1979 - 1989InternationalF2575RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1980 - 1989InternationalF2654RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1979 - 1989InternationalF2674RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1980 - 1985InternationalS1723RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1980 - 1982InternationalS1823RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1981 - 1989InternationalS1853RearReplaces OE Part Number(s) 537524C91; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1989 - 2005MackCHRearReplaces OE Part Number(s) 14QK393M; Shock Absorbers are 1.38 Bore Diameter; with AL Suspension
1983 - 1994MackMHRearReplaces OE Part Number(s) 14QK393M; Shock Absorbers are 1.38 Bore Diameter; with Neway ARD-234 Air Suspension
1989 - 2005MackRBRearReplaces OE Part Number(s) 14QK393M; Shock Absorbers are 1.38 Bore Diameter
Overview
GradePremium
Active or Passive SuspensionPassive
Dimensions
Extended Length681.4mm (26.8281 in)
Compressed Length16.6875 in (423.9mm)
Travel Length257.6mm (10.14 in)
Features
Gas ChargedYes
Adjustable Ride HeightNo
Adjustable DampingNo
Adjustable CompressionNo
Adjustable ReboundNo
Materials, color & finish
ColorBlack
Cylinder FinishPainted
What's included
Dust Shield IncludedYes
Includes Bump StopNo
Mounting Hardware IncludedNo
OEM part numbers Monroe 66638 replaces

Monroe 66638 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
FordCUTZ18124A
FordD7HA18080AA
FordD7HT18125FA
FordD8HZ18125B
Mack14QK366
Mack14QK366P1
Mack14QK366P2
Mack14QK366P3
Mack14QK375M
Mack14QK393M
Mack25621628
Mack25625151
Mack25631483
Mack600125
Mack600125MT
Mack660125MT

It also replaces these original equipment service part numbers.

Service brandService part number replaced
MotorcraftCAX916