HomeSuspension > Suspension, Springs and Related ComponentsMoog K8637 Suspension Control Arm Bushing Kit - Rear Upper
Part #: K8637

Moog K8637 Suspension Control Arm Bushing Kit - Rear Upper

Rear Upper
53 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford and Mercury, Mustang, Thunderbird, Cougar, Capri, Fairmont, Zephyr, and Granada
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Overview of Moog Suspension Control Arm Bushing Kit K8637

The Moog Suspension Control Arm Bushing Kit K8637 is designed to restore precise suspension performance for select Ford and Mercury vehicles. Engineered with steel clad rubber, this kit provides durable and reliable control arm bushings compatible with models like the Ford Mustang and Mercury Cougar.

  • Includes 2 steel clad rubber control arm bushings
  • Press-in attachment method for secure fitment
  • Meets or exceeds original equipment manufacturer specifications
  • Compatible with Ford Capri, Cougar, Fairmont, Mustang, Thunderbird, and Mercury Zephyr
  • Does not include dust boots or additional hardware

Durable Steel Clad Rubber Construction

Each bushing in the Moog K8637 kit is constructed from steel clad rubber, providing a balance of strength and flexibility. This material helps absorb road vibrations and reduces suspension noise while maintaining the structural integrity needed for control arm performance. The press-in design ensures a tight, secure fit within the suspension assembly, maintaining alignment and handling characteristics consistent with factory standards.

Compatible Vehicles and Part Number Details

This suspension control arm bushing kit is specifically compatible with Ford and Mercury vehicles, including the Capri, Cougar, Fairmont, Mustang, Thunderbird, and Zephyr models. The Moog part number K8637 identifies this exact kit, ensuring proper fitment and performance for these applications. Using the correct part number helps maintain suspension reliability and vehicle safety.

Common Suspension Issues Addressed

  • Excessive suspension noise or clunking during driving
  • Uneven tire wear caused by worn control arm bushings
  • Loose or imprecise steering response
  • Vibration or harshness transmitted through the suspension
  • Misalignment issues affecting vehicle handling

Installation Notes and Tips

Installation of the Moog K8637 control arm bushing kit requires pressing the bushings into the control arms using appropriate tools. Since the kit does not include dust boots or hardware, reusing existing components or sourcing replacements separately may be necessary. Proper alignment and torque specifications should be followed to ensure optimal suspension performance and longevity.

Quality Assurance and Warranty

Moog suspension components, including the K8637 control arm bushing kit, meet or exceed original equipment manufacturer specifications. This ensures reliable performance and durability under normal operating conditions. While specific warranty details may vary, Moog typically offers coverage against defects in materials and workmanship to support customer confidence in their products.

BrandMoog
Part NumberK8637
Attachment MethodPress In
Includes Dust BootsNo
Includes HardwareNo
MaterialSteel Clad Rubber
Meets/Exceeds OE Manufacturer SpecsYes
Part DescriptionControl Arm Bushing

This part fits 53 vehicles. Search below:

YearMakeModelPositionNotes
1993FordMustangRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1992FordMustangRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1991FordMustangRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1990FordMustangRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1989FordMustangRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1988FordMustangRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1988FordThunderbirdRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1988MercuryCougarRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1987FordMustangRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1987FordThunderbirdRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1987MercuryCougarRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1986FordMustangRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1986FordThunderbirdRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1986MercuryCapriRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1986MercuryCougarRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1985FordMustangRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1985FordThunderbirdRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1985MercuryCapriRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1985MercuryCougarRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1984FordMustangRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1984FordThunderbirdRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1984MercuryCapriRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1984MercuryCougarRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1983FordFairmontRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1983FordMustangRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1983FordThunderbirdRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1983MercuryCapriRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1983MercuryCougarRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1983MercuryZephyrRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1982FordFairmontRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1982FordMustangRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1982FordThunderbirdRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1982MercuryCapriRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1982MercuryCougarRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1982MercuryZephyrRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1981FordFairmontRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1981FordMustangRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1981FordThunderbirdRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1981MercuryCapriRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1981MercuryCougarRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1981MercuryZephyrRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1980FordFairmontRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1980FordMustangRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1980FordThunderbirdRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1980MercuryCapriRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1980MercuryCougarRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1980MercuryZephyrRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1979FordFairmontRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1979FordMustangRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1979MercuryCapriRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1979MercuryZephyrRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1978FordFairmontRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.
1978MercuryZephyrRear UpperSuspension Control Arm Bushing Kit includes front and rear bushings.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

04-8103004-8103412584142197267-4366267-4402267-446045G1104945G11077481030481034531-477531-491570-10775701049602.61060E4SZ-5A638AF6ZZ-5A638AAFB695FB716JBU968MK8637

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.