Carmocar Front 4WD Actuator Vacuum Pod – Fits Chevy Blazer, S10, GMC S15 Sonoma 83-04, 25031740

If your 4WD isn’t engaging and you’ve got a Chevy Blazer, S10, or GMC Sonoma from ’83 to 2004, your vacuum actuator pod is probably the culprit.

This Carmocar unit is a direct replacement for OEM 25031740, also crosses with 600-102.

Brand new, not rebuilt, ready to bolt on.

UPC is 630128427191, manufacturer warranty included.

We’ve got warehouses in NJ, CA, and KY—so they’ll ship from whichever’s closest to you.

That means faster delivery, less waiting.

Front 4WD, vacuum-operated, no electrical guesswork.

Non-domestic product?

Nope, this one’s US-friendly.

Don’t let a $50 part keep your truck from crawling.

Swap it out, get dirty.