111-115-107AHD VW Heavy Duty Oil Pump - 26mm Gears Beetle Bus

Heavy Duty Oil Pump (26mm Gears) – 111-115-107AHD

The 111-115-107AHD is an essential upgrade for any Volkswagen enthusiast looking to improve engine longevity. In an air-cooled engine, oil is used for both lubrication and cooling; by increasing the volume of oil circulated, this pump helps dissipate heat more effectively. This pump is designed for "flat-cam" engines (3-bolt camshafts) typically found in 1200cc through 1600cc configurations.

The 26mm gears provide approximately 25% more volume than a standard pump, making it ideal for engines that have been modified with external filters or coolers. Because it is a heavy-duty unit, it maintains tighter tolerances than stock pumps, ensuring that your oil pressure remains stable even when the engine is at full operating temperature in hot climates.

Detailed Vehicle Compatibility

VW Beetle:

1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970

VW Super Beetle:

1971

VW Karmann Ghia:

1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971

VW Transporter:

1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971

VW Type 3:

1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971

Product Highlights & Features

• High-Flow Design: Larger 26mm gears ensure consistent oil delivery to the crankshaft and valvetrain under high-load conditions.

• Camshaft Specific: Designed for use with "flat" 3-bolt camshafts. Not compatible with "dish" style 4-bolt camshafts found in later engines.

• Standard Case Fit: Fits into standard oil pump bores without the need for case machining in most Type 1 applications.

Technical Specifications

• Part Number: 111-115-107AHD

• Gear Size: 26mm

• Bolt Pattern: 3-Bolt (Flat Cam)

• Drive Tang: Standard short-slot drive

Installation & Maintenance Tips

• Priming: Always prime the pump with clean engine oil or assembly lube before installation to ensure immediate oil pressure upon initial startup.

• Gasket Thickness: Use the thinnest possible gasket between the pump and the cover to maintain a tight "end-play" tolerance for the gears; too thick of a gasket will cause a drop in oil pressure.

• Cover Inspection: Ensure you use a heavy-duty steel oil pump cover. Stock aluminum covers can wear prematurely when paired with high-volume gears.

111115107AHD 

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