5011335R91 | Genuine International® High-Pressure Oil Pump 12CC

SKU: 5011335R91 MPN: 5011335R91

Keep your diesel system efficient with this OEM High-Pressure Oil Pump. Brand: International. Part Number: 5011335R91. Condition: New. For Maxxforce DT 6.7L in heavy-duty commercial trucks. Built to perform under pressure.

$1,749.00
No Core Charge
3 in stock

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Product Description

Product Name High-Pressure Oil Pump 12CC Product Name High-Pressure Oil Pump 12CC
Condition New Condition New
Brand International Brand International
Part Number 5011335R91 Part Number 5011335R91
Cross Reference 5011336R91 Cross Reference 5011336R91
Type Oil Pump Type Oil Pump
Engine Compatibility
Engine Navistar Maxxforce DT 6.7L HEUI Diesel Engine Navistar Maxxforce DT 6.7L HEUI Diesel
Years 2007-2010 Years 2007-2010
Vehicle Compatibility
International 4300 / 4400 International 4300 / 4400
International DuraStar International DuraStar
International WorkStar 7300 / 7400 / 7500 International WorkStar 7300 / 7400 / 7500
International CE Series School Bus International CE Series School Bus
International IC Bus RE / AE / BE Series International IC Bus RE / AE / BE Series
International MXT (limited) International MXT (limited)

Useful Information

Description and Purpose:

This New High-Pressure Oil Pump is an OEM solution for Navistar Maxxforce DT 6.7L diesel engines. Brand: International. Part Number: 5011335R91. Designed to regulate oil pressure in HEUI injection systems, this genuine heavy-duty pump ensures the proper hydraulic force needed to operate fuel injectors. Commonly found in International 4300, 4400, DuraStar, WorkStar, and IC Bus vehicles from 2007 to 2010, it plays a central role in diesel engine operation. Cross reference: 5011336R91

Why Replacement is Important:

Over time, internal wear or contamination can reduce the pump’s ability to maintain consistent pressure. This can lead to injector misfires, poor combustion, and inefficient fuel usage. Replacing the pump restores hydraulic performance and protects the entire fuel injection system.

Impact on Vehicle Performance:

Low oil pressure in HEUI systems causes hard starting, rough idling, and reduced engine power. A new oil pump ensures reliable injector function and stable engine operation under load, ideal for commercial driving conditions.

Manufacturer Information:

International® manufactures heavy-duty trucks designed for performance, comfort, and operational efficiency.

Navistar® powers the transport industry with innovative engineering and a focus on uptime.

Tags & Category: High-Pressure Oil Pumps, High-Pressure Oil Pump, 12CC Oil Pump, Navistar Maxxforce DT, Maxxforce DT 6.7L, Engine Oil Pump, High Pressure Pump, HEUI System, 2007 Maxxforce Oil Pump, 2008 Maxxforce Oil Pump, 2009 Maxxforce Oil Pump, 2010 Maxxforce Oil Pump, Diesel Engine Components, Navistar Engine Parts, Oil Injection System, Heavy Duty Truck Engine

Warranty:

Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The -warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.

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  • Icon Truck, Fast Delivery
    Free shipping over $199 Place an order today and receive it on Mar 6
  • Clock Icon
    Orders placed before 7-PM EST will ship same business day
  • Location icon, warehouse pickup point.
    Pickup available usually ready in 24 hours
  • Need it fast? We offer overnight shipping

    Contact us to check if overnight next-day delivery is available for your order - PN: 5011335R91