Cushion the coil spring and help dampen the vibration and noise it transmits into the body with the Dorman - OE Solutions Coil Spring Insulator 537-312. It installs in the rear lower position as a direct-fit replacement on the 1999-2004 Jeep Grand Cherokee (All engines), seating between the coil spring and its perch to isolate the spring from the chassis.
- Rear lower position: engineered to drop in like the original insulator on the listed Jeep Grand Cherokee applications.
- Rubber construction: a round black rubber insulator with an inside diameter of 62.2 mm, outside diameter of 152.5 mm, and 8.5 mm thickness.
- Vibration control: helps dampen vibration carried from the coil spring into the chassis; replacing worn insulators helps reduce suspension noise and uneven tire wear.
- Attachment: secures via a mounting hole. Mounting hardware is not included.
Consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: Taiwan. Package contents: 1 coil spring insulator.
Interchange: 52088402AB · TD4647W · K160042 · MK160042
Manufacturer part number 537-312
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does the 537-312 fit?
It is a direct-fit replacement for the 1999-2004 Jeep Grand Cherokee (all engines). See the Buyer's Guide tab to confirm your specific vehicle.
Where does this insulator install?
In the rear lower position, seated between the coil spring and its perch to isolate the spring from the chassis.
What is this coil spring insulator made of?
It is a round black rubber insulator, with a 62.2 mm inside diameter, 152.5 mm outside diameter, and 8.5 mm thickness. It attaches via a mounting hole.
Does it come with mounting hardware?
No, mounting hardware is not included. Consult the vehicle service information for the correct fasteners and whether they may be reused.
What are signs a coil spring insulator may need replacing?
Added suspension noise, vibration felt through the body, or uneven/increased tire wear can point to worn insulators. Diagnose the cause before replacing.
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