Buy wp20592 - Genuine Volvo/Mack Fuel Injector D13 MP8 - wisentpartscenter.com

Description

The Genuine Volvo/Mack Fuel Injector is a Delphi E3.5 electronic unit injector for Volvo D13H and Mack MP8 12.8L diesel engines. It uses electronically controlled fuel injection to regulate fuel quantity and timing for efficient combustion, smooth engine operation, and consistent power delivery.

Key Functions

- Fuel Delivery: Injects high-pressure diesel fuel directly into the combustion chamber.
- Injection Control: Regulates fuel quantity and timing through electronic control.
- Fuel Atomization: Produces a precise spray pattern for efficient combustion.
- Engine Performance: Supports smooth idle, acceleration, and power delivery.
- Emissions Control: Helps maintain proper combustion and exhaust emissions performance.

Fitment & Specifications
- Brand: Volvo / Mack
- Part Type: Electronic Unit Injector (EUI)
- Engine: Volvo D13H / Mack MP8
- Engine Displacement: 12.8L
- Fuel Injection System: Delphi E3.5
- Quantity: 1 fuel injector

Verify fitment with us before ordering to ensure the correct part for your application.

Purpose of the Part

The Volvo/Mack Fuel Injector generates high fuel pressure through its mechanically driven pumping mechanism and delivers diesel fuel directly into the combustion chamber. Electronic controls regulate injection timing and fuel quantity to maintain engine power, fuel efficiency, and proper combustion.

Issue Symptoms / When to Replace

A worn or malfunctioning fuel injector may cause:

- Hard starting or extended cranking.
- Rough idle, misfires, or uneven engine operation.
- Reduced power and poor acceleration.
- Excessive black or white exhaust smoke.
- Increased fuel consumption.
- Abnormal combustion noise.
- Fuel injection faults or cylinder imbalance.

Similar symptoms can result from fuel supply problems, worn injector sleeves, damaged wiring, or improper injector adjustment.

Brand Information

Volvo Trucks and Mack Trucks are part of Volvo Group and manufacture heavy-duty commercial vehicles and diesel engines. Their D13 and MP8 engines use Delphi electronic unit injector technology. Delphi specializes in diesel fuel injection systems, including the E3.5 injector family.

Installation Notes

Before installing the fuel injector, inspect the injector sleeve and replace the required seals. Verify flat or conical sealing compatibility, follow Volvo/Mack injector adjustment procedures, and complete any required electronic calibration.

How to Identify an OEM Part

The Genuine Volvo/Mack Fuel Injector can be identified by its Volvo or Mack factory label and Delphi identification markings on the injector body. Compare the OEM part number, injector design, and identification codes with the original unit to confirm compatibility.

Why Buy 85013611 From Wisent Parts Center?

  • 1 Year
    Warranty

  • Genuine Parts

    Authentic OEM parts

  • 30-Day Returns

    Conditions apply

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Warranty & Return Information
Warranty Information

Wisent Parts offers a 1-year warranty on all parts from the date of delivery. This warranty covers orders placed directly through our website. If a part fails during this period, we’re here to help - whether it’s a replacement, repair, or refund. For full details, refer to the Warranty page.

Return Information

Wisent Parts accepts returns within 30 days of delivery. All returns are subject to a restocking fee. To qualify, parts must be unused and in their original condition. For full return instructions and restocking fee details, please refer to the Returns page.