Dorman 42059 rear PCV valve grommet for the 1987-1990 Jeep Wrangler 6-cylinder 4.2L and other vehicles holds the PCV valve in place. If the original grommet has failed, this rubber one takes its spot.
- Rubber grommet made to restore the PCV valve mounting after the original grommet fails
- Rubber body made for reliable performance and long service life
- Push-on attachment method
Quick facts
- Part: Dorman 42059 PCV valve grommet
- Fits: the 1987-1990 Jeep Wrangler 6-cylinder 4.2L and other vehicles
- Position: Rear
- Material: Rubber
- Condition: New
A worn grommet can look cracked, hardened or loose around the valve, and a hiss near the valve can point to a vacuum leak. A clogged PCV valve, a split PCV hose or another vacuum leak can be behind the same symptoms, so find the cause before you buy a grommet.
Fits
The 1987-1990 Jeep Wrangler 6-cylinder 4.2L, the 1981-1983 Jeep Cherokee 6-cylinder 4.2L and the 1984-1986 Cherokee 4-cylinder 2.5L, and the 1981-1988 American Motors Eagle 6-cylinder 4.2L and the 1983-1984 Eagle 4-cylinder 2.5L take this grommet as a direct replacement, and so do other vehicles. The 1987-1990 Jeep Wrangler 6-cylinder 4.2L takes one. Driving something else? Look up your year and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: Rear
- Quantity per vehicle: 1
- Inside diameter: 0.712 in
- Outside diameter: 1.293 in
- Thickness: 0.459 in
Build and materials
- Material: Rubber
- Attachment method: Push-on
- Condition: New
- Country of origin: Taiwan
In the box
One PCV valve grommet.
Interchange: 3237765 · J3237765 · 420593
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
3237765, J3237765, 420593
Frequently Asked Questions
Will the Dorman 42059 grommet fit a 1987-1990 Jeep Wrangler 6-cylinder 4.2L?
Yes. Dorman 42059 is a rear PCV valve grommet listed for the 1987-1990 Jeep Wrangler 6-cylinder 4.2L, and that engine takes one.
Is this Dorman PCV grommet made of rubber?
Yes. Dorman 42059 is a rubber grommet, 1.293 in across the outside, 0.712 in across the inside and 0.459 in thick.
Does the package include the PCV valve itself?
No. The package holds one PCV valve grommet only. The PCV valve is a separate part and is not in the package.
How can I tell a rear PCV valve grommet has worn out?
With the engine off and cool, look for cracks, hardening or a loose fit around the valve. A hiss near the valve while driving can also be a sign.
Does Dorman 42059 replace number 3237765?
Yes. 3237765 is listed as an interchange number for Dorman 42059, along with J3237765 and 420593.
