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T4 Oil Pump 1990-94 - 2.4 Diesel + 2.5 Petrol (AAF,ACU,AAB)

Replacement engine oil pump for VW Transporter T4 models fitted with 2.4 diesel and 2.5 petrol engines. The oil pump is responsible for circulating pressurised engine oil to critical components including crankshaft bearings, camshaft, and valve train, ensuring lubrication, cooling, and long-term engine reliability.

A worn or failing oil pump can cause low oil pressure, increased engine noise, and accelerated internal wear. This pump is precision-manufactured to restore correct oil flow and pressure, making it an essential component during engine rebuilds or preventative maintenance on higher-mileage engines.

Important fitting notes:

  • Gasket not included – order separately (part number 034115189A)

  • Always confirm engine code and engine number before ordering

  • Recommended to prime the pump before initial start-up

Often replaced alongside:
Oil pump gasket, oil pickup seal, oil filter, engine oil, and crankshaft bearings if rebuilding.


Engine Fitment

VW Transporter T4

  • AAB – 2.4 Diesel
    • 09/1990 – 12/1994
    • Up to engine number 320126

  • AAF – 2.5 Petrol
    • 09/1990 – 07/1995

  • ACU – 2.5 Petrol
    • 09/1990 – 12/1994
    • Up to engine number 019149

Body styles covered: Van, Bus, Platform/Chassis

This Part Fits: T4 Transporter

Availability: Special Order Item

Item Name: Oil pump

Description: Oil Pump

Product Group: Engine

Group: Lubrication

Unit of Measure: Each

Manufacturer: JP

Dimensions:

Width: 200mm

Height: 270mm

Depth: 65mm

Volume: 3510000mm3

Weight: 2.268kg

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