DNJ MB4113

DNJ MB4113 is a main bearing set for Ford Small Block engines. It is used during crankshaft service, block assembly and main journal oil-clearance setup.

Application / fitment

The bearings are intended for selected Ford Small Block / SBF engines requiring the MB4113 main bearing configuration. Fitment should be confirmed by engine family, main journal diameter, STD/undersize size and required bearing clearance.

• Ford Small Block 221 CID
• Ford Small Block 255 CID
• Ford Small Block 260 CID
• Ford Small Block 289 CID
• Ford Small Block 302 / 5.0 CID

Typical automotive applications include selected Ford, Mercury and Lincoln models with Small Block engines from approximately 1962–2001, such as Ford Falcon, Fairlane, Mustang, Torino, Maverick, Granada, LTD, Thunderbird, F-Series, Bronco, Mercury Comet, Cougar, Montego, Monarch, Capri and selected Lincoln applications with the 302 / 5.0 engine. Final compatibility must be confirmed by the actual SBF engine and crankshaft configuration.

This set may also be used in selected marine engines based on the Ford Small Block family, especially Ford 302 / 5.0, and in some marine catalog applications also Ford 221 / 260 / 289 / 302 and selected 351W / 5.8 engines used by MerCruiser, OMC, Volvo Penta, Crusader and Pleasurecraft / PCM. Before installation, confirm the MB4113 / 4125M / MS590P number or interchange, STD/undersize size, main journal diameter and required bearing clearance.

Before assembly, check the main journal diameters, crankshaft undersize, STD/undersize bearing variant and required bearing clearance.

Technical information

• Part type: crankshaft main bearings
• Engine family: Ford Small Block / SBF
• Size: STD or undersize variant depending on crankshaft machining
• Installation check: main journal size, bearing clearance, bearing variant compatibility with crankshaft machining