Drivetrain› 4x4 Driveline Components
JKS Manufacturing
JKS Manufacturing Jeep Wrangler YJ/Cherokee XJ/Comanche MJ 4x4 Posi-Lok Axle Engagement System
SKU: J009 PSL920
Moderate — 2–4 hours
Description
Part #: PSL920
Replace your Jeep Wrangler vacuum-actuated axle engagement with a 4x4 Posi-Lok. Fits 3"-plus lifted Wrangler YJs. The cable-operated actuator puts you in control of axle engagement from inside the cab. A one inch pull of the 4x4 Posi-Lok cable connects the right front axle to the intermediate shaft using the shift collar and fork -- 4-wheel drive is engaged. Features a discreet dash mounting system, cast aluminum central disconnect system housing and dash indicator wiring. Easy to follow instructions.
Features:
- 4x4 Posi-Lok Positive Axle Engagement System replaces the vacuum actuator with a cable operated actuator that puts the driver in control of the engagement from inside the cab
- After engaging the transfer case, a one inch pull of the 4x4 Posi-Lok cable connects the right front axle to the intermediate shaft using the shift collar and fork, and 4-wheel drive is engaged
- Replaces vacuum 4WD actuator
- Positive 4WD engagement
- Discreet dash mounting system
- Cast Aluminum housing for central disconnect system
- Complete wiring system to ensure the 4WD dash indicator light functions properly
4x4 Posi-Lok puts the driver in control of the 4-wheel drive engagement. No more pushing a button and hoping your 4-wheel drive engages.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
MIA's Description
This system is engineered for Jeep models with 3 or more inches of suspension lift. It includes all necessary hardware and seals for installation and ensures your 4WD dash sensor functions correctly. The cable actuator mounts discreetly on the dash for convenient use.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | JKS Manufacturing |
| Part Number | J009 PSL920 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy