RAM heavy-duty ABS
RAM ABS Hydraulic Control Unit Part Numbers
Every RAM heavy-duty ABS number on record, split by platform, plus the three numbers whose application has not been established.
Pickup and 3500 cab chassis
68143491AA
Original-issue hydraulic control unit.
68143491AB
Current issue. Supersedes 68143491AA.
4500 / 5500 chassis cab
This chain never crosses with the pickup chain.
68195569AA
Original-issue hydraulic control unit.
68195569AB
Current issue. Supersedes 68195569AA.
ABS control module
68347098AA
Original issue.
68347098AB
Supersedes AA.
68347098AC
Current issue.
Numbers we could not place
Not covered by the record
These appear in the source material as real Mopar hydraulic control unit numbers, but neither their application nor their supersession relationship was established. They are listed here so they are not mistaken for alternatives — they are not.
68243581
Application not established.
68351453
Application not established.
68243623
Application not established.
Before ordering, confirm
Confirm before you commit
The platform, from the VIN
Pickup and chassis cab use different chains that do not interchange.
Hydraulic unit or module
Two components, two chains, two decisions.
Check this against your vehicle
Start with the number you have and we'll show what's on record for it, including anything documented as an alternative.
This page lists the identities on record. The investigation helps determine which of them applies to your specific vehicle and circumstances.
Keep going
- RAM 2500/3500 ABS unit68143491AA on national backorder: the factory supersession, the platform boundary that costs a cycle, and the rebuild path fleets actually use.
- RAM 4500/5500 ABS unitThe chassis-cab hydraulic control unit runs the 68195569 chain and never crosses with the pickup unit. Here is what that means before you order.
Everything on this page comes from a documented investigation record. Where the record is silent, the page says so rather than filling the gap. Always confirm fitment, application, and any programming requirement for your specific vehicle before installing.