GRANIT diaphragm fuel feed pump 3801858 2-hole Perkins Landini MF

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GRANIT diaphragm fuel feed pump 3801858 2-hole Perkins Landini MF

GRANIT mechanical diaphragm fuel feed pump part number 3801858 (OEM ref. 83991467, 510E9350, 2641338, 4222104M91, 3637287M91, 2641465). Features 2-hole mounting flange (45 mm hole pitch) and 40 mm lever length. Engineered for Perkins 4.212, 4.236, and 4.248 engines on Ford, Landini, and Massey Ferguson tractors.

Fits

FordLandini (Perkins 4.212, 4.236, 4.248 Engines)Massey Ferguson (Perkins 4.212, 4.236, 4.248 Engines)

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Description

Granit 2-hole diaphragm fuel lift pump for Perkins and Ford engines - Part number 3801858

Mechanical diaphragm fuel feed pump manufactured by Granit, commercial part number 3801858. Essential component of the low-pressure fuel delivery system, designed to transfer diesel fuel from the fuel tank to the main injection pump with consistent flow and priming pressure. Specially engineered for 4-cylinder Perkins diesel engines (specifically the 4.212, 4.236, and 4.248 series) as well as classic Ford agricultural applications, ensuring rapid self-priming, reliable fuel delivery, and long service life under tough field operations. Features a 2-hole mounting flange with 45 mm hole spacing and a drive lever reach of 40 mm measured from the flange face. Replaces original Ford, Landini, Massey Ferguson, and Perkins equipment codes 83991467, 510E9350, 2641338, 4222104M91, 3637287M91, and 2641465. Fully compatible with a broad range of Ford, Landini, and Massey Ferguson tractors and harvesters.

Key features

Granit heavy-duty buildHigh-strength die-cast alloy housing equipped with a reinforced elastomer diaphragm resistant to chemical degradation from modern diesel fuels.

2-hole mounting patternPrecise 45 mm center-to-center bolt spacing for accurate seating on the engine block mounting pad.

Engineered drive lever40 mm lever reach from the mounting flange interface to the camshaft eccentric contact pad.

Matching service partFully compatible with the dedicated mounting gasket (matching code 38015094).

Extensive 4-cylinder Perkins and Ford compatibilityPurpose-built for Perkins 4.212, 4.236, 4.248, and vintage Ford engine applications.

Compatibility

Ford	1000 Series (80009000)Dexta Series (Super Dexta)Major Series (Super Major)
Landini (Perkins 4.212, 4.236, 4.248 Engines)	6500 (500 Series)70008000 (1000 Series)
Massey Ferguson (Perkins 4.212, 4.236, 4.248 Engines)	100 Series (165168/175 A4.236 Engine178186187188)400 Series (487)

Specifications

Commercial part number	3801858
Product type	Mechanical diaphragm fuel lift pump
Manufacturer	Granit
Flange pattern	2 mounting holes
Hole distance	45 mm
Lever length (flange face to tip)	40 mm
Matching spare part	38015094 (flange gasket)
OEM cross-references	83991467, 510E9350, 2641338, 4222104M91, 3637287M91, 2641465

Fitting tipsPrior to installing the new Granit 3801858 fuel lift pump, thoroughly clean the mounting pad face on the engine block, removing all old gasket material, grease, and dirt. Inspect the camshaft eccentric lobe for flat spots or excessive wear. Always fit a new flange gasket (matching code 38015094) dry or with a light coating of gasket grease. Guide the pump lever carefully against the camshaft eccentric and tighten the 2 mounting fasteners evenly to the specified torque. Reconnect the fuel inlet and outlet lines, then manually prime the fuel system using the hand primer lever to bleed air bubbles before starting the engine.