Cummins 4089112 — Genuine P7100 Throttle Linkage Kit

MPN: 4089112  |  Also Known As: throttle kit, pump throttle linkage, P-pump throttle hardware

Restore precise throttle control on your 12-valve. The genuine Cummins 4089112 throttle linkage kit connects the accelerator cable to the Bosch P7100 injection pump and stabilizes pedal feel and idle quality. It’s the OE-engineered solution for 1994–1998 Ram 2500/3500 5.9L 12-valve trucks and is also cataloged for B-Series industrial engines (verify by ESN).

Features & Benefits

• OE geometry for correct travel and smooth, repeatable throttle response.
• Direct-fit hardware for the P7100 pump—no guesswork or universal fab needed.
• Durable pivots & rod ends designed for under-hood heat and vibration.
• Ideal for refreshes & conversions (helps when parts are worn, missing, or during P-pump swaps).
• Genuine Cummins quality and traceability.

Verified Fitment (Automotive)

Catalog context: Cummins lists 4089112 as a Throttle Kit used primarily on B-engines; diesel retailers sell it specifically for 1994–1998 P7100 Dodge/Ram applications. For industrial/off-highway engines, verify by ESN. :contentReference[oaicite:0]{index=0}

Specifications

• Type: Throttle linkage kit for Bosch P7100
• OE Part Number: 4089112
• Typical Components: pump lever/linkage pieces, pivots, springs, small hardware; contents may vary by build/ESN. (Some sources reference control-rod ends and a pivot pin in related assemblies.) :contentReference[oaicite:1]{index=1}
• Quantity Required: 1 per vehicle

Often Paired With

• TPS/TV bracket (auto trans): Cummins 3925380 for 47RE/TV or TPS interface on certain setups. :contentReference[oaicite:2]{index=2}
• P7100 rear support brace: Cummins 4003580 (pump rear support)
• Block-side support: Cummins 3928898
• Accelerator cable (replace stretched/frayed OE cable)

What’s In The Box

• (1) Genuine Cummins P7100 Throttle Linkage Kit (4089112)
• Exact piece count/geometry may vary by ESN and application; reuse serviceable fasteners where applicable.

Installation Tips

• Key-off; verify pump at idle stop. Photograph existing linkage to match orientation.
• Set cable free-play and ensure full-throttle travel reaches the pump stop without binding.
• On automatic trucks, verify TPS/TV linkage calibration after install.
• With engine off, sweep pedal through full travel; check for interference and return-spring action.

FAQ

WILL THIS FIT MY 1994–1998 12-VALVE RAM?

Yes—retailers specify 4089112 for 1994–1998 Ram 2500/3500 with the Bosch P7100 pump. :contentReference[oaicite:3]{index=3}

DOES THIS INCLUDE EVERYTHING FOR THE THROTTLE LINKAGE?

It’s a complete OE throttle linkage kit for the P7100. Exact contents can vary by ESN; some assemblies use specific rod ends and a pivot pin. :contentReference[oaicite:4]{index=4}

IS THIS KIT GOOD FOR P-PUMP CONVERSIONS?

Yes—many builders use it during VP44→P7100 swaps; verify brackets/cable routing and add a TPS/TV bracket if needed. :contentReference[oaicite:5]{index=5}

IS THIS A GENUINE CUMMINS PART?

Yes—OE Cummins 4089112 throttle kit (sold by Cummins and major diesel retailers). :contentReference[oaicite:6]{index=6}

WHAT IF MY THROTTLE FEELS STICKY AFTER INSTALL?

Recheck linkage alignment, pivot lubrication, cable free-play, and confirm unobstructed full-travel at the pump lever.