Product Description

CUMMINS 3990112 OEM P7100 THROTTLE LEVER BALL STUD (CONTROL ROD PIVOT PIN)

Upgrade or restore your throttle linkage with the genuine Cummins 3990112 P7100 Throttle Lever Ball Stud — the factory-spec control rod pivot pin built to OEM tolerances and engineered for years of dependable service. This 10 mm ball stud is the exact part used on 1994–1998 5.9L 12-valve Dodge/Ram trucks with the P7100 (P-pump) injection pump, ensuring proper throttle linkage geometry, secure socket engagement, and precise throttle modulation under load and idle. A direct-fit OEM replacement that restores the original throttle linkage performance and reliability. Reliable factory fit, correct dimensions, and premium Cummins build quality make it the right choice for rebuilds, restorations, and maintenance.

Fitment & Application

• 1994–1998 Dodge / Ram 2500 / 3500 — 5.9 L 12-Valve Cummins with P7100 injection pump
• Used as the throttle lever ball stud (control rod pivot pin) on P7100 throttle linkage
• Direct OEM-spec — correct 10 mm ball stud geometry for proper linkage engagement and throttle response

Why Choose This Genuine Cummins Part?

• OEM-specified ball stud: ensures correct fitment and linkage alignment
• Durable material & precise manufacturing for long service life and reliable performance
• Restores throttle linkage reliability — prevents loose linkage or throttle-link failure under stress
• Exact replacement for original part number 3990112 (Mopar ≈ 05080768AA) 

Cross-Reference / Related Items

Often paired with related throttle linkage components — check out these OEM parts for full linkage service or rebuild kits: CUMMINS 3990095 OEM THROTTLE LINKAGE ROD END (45MM RH THREAD), CUMMINS 3990093 OEM THROTTLE LINKAGE ROD END (33MM RH THREAD), CUMMINS 4089112 OEM P7100 THROTTLE LINKAGE KIT

FAQ WILL THIS FIT MY 1994–1998 5.9L 12-VALVE RAM? Yes — this is the correct OEM ball stud for P7100-equipped 5.9L 12-valve Dodge/Ram 2500/3500. Always verify with your VIN/ESN and pump model.

IS THIS THE 10 MM THROTTLE LEVER BALL STUD? Yes — this is the 10 mm ball stud specified by Cummins for the P7100 throttle lever linkage.

IS THIS A GENUINE CUMMINS PART? Yes — part number 3990112 from Cummins’ OEM catalog, for correct geometry and durability.

DOES IT INCLUDE THE LOCK NUT? Typically sold individually — lock nut and additional hardware may need to be ordered separately (see related hardware listings).

WHAT’S THE MOPAR CROSS-REFERENCE? Mopar part number 05080768AA is a common alternate number for this pivot pin.