Product Description
Cummins 3932339 — Throttle Linkage Control Rod Adjuster
MPN: 3932339 | Also Known As: throttle linkage adjuster, control rod adjuster | Related Parts: 3932397 (control rod), 3932321 (male connector)
Why This Part
- ✓ OE adjuster for the mechanical throttle linkage on P7100-equipped 5.9L 12-valve.
- ✓ Direct-fit replacement to restore proper pedal-to-pump actuation.
- ✓ Durable OE hardware for long service life and precise adjustment.
- ✓ Works with factory linkage components and rod ends.
Quick Specs
| Type | Throttle linkage control rod adjuster |
|---|---|
| OE Part # | 3932339 |
| Qty Required | 1 per vehicle (sold individually) |
| Related Components | Control rod (3932397), male connector (3932321), linkage ball ends |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1994–1998 | Ram 5.9L 12-Valve (P7100 mechanical) | Ram 2500/3500 |
Industrial/Off-Highway: Used on select B-Series applications (e.g., B3.9 Euro-2). Always verify by ESN and linkage configuration.
Often Paired With
- Throttle Control Rod: Cummins 3932397 (’94–’98 12V)
- Male Connector: Cummins 3932321 (engine-to-tee)
- Linkage ball ends / hardware as needed
What’s In The Box
- (1) Genuine Cummins Throttle Linkage Control Rod Adjuster (3932339)
- Related linkage pieces sold separately (see “Often Paired With”).
Install Tips
- Note factory rod length/adjustment before removal; match during reassembly.
- Inspect rod ends and pivots; replace worn joints to remove throttle slack.
- Verify full pump travel and pedal return; adjust to spec per service manual.
FAQ
WILL THIS FIT MY 1994–1998 12-VALVE RAM?Yes—this adjuster is used on the mechanical throttle linkage of ’94–’98 5.9L 12-valve trucks with the P7100 injection pump. Verify by VIN/ESN and linkage layout.
IS THIS THE SAME AS THE CONTROL ROD?This is the adjuster. The main control rod is commonly part number 3932397 and is sold separately.
IS THIS A GENUINE CUMMINS PART?Yes—OE Cummins 3932339 for factory fit and proper linkage geometry.
DOES THIS FIT INDUSTRIAL B-SERIES ENGINES?It’s used on certain B-Series (e.g., B3.9 Euro-2). Always confirm by engine serial number and linkage configuration.
WHAT ELSE SHOULD I REPLACE WHILE I’M HERE?Inspect the control rod (3932397), male connector (3932321), and ball ends/joints; replace any worn items to eliminate play.
