King Engine Bearings MB5171AM Standard Main Bearing Set for Mazda FS-DE, FP and FS L4 Engines

King Engine Bearings Mazda FS-DE L4/FP L4/FS L4 DOHC 16 Valve Main Bearing Set - Size STD

Restore dependable bottom-end performance with the King Engine Bearings MB5171AM Standard Main Bearing Set. Designed for select Mazda FS-DE, FP and FS inline-four engines with DOHC and 16-valve configurations, this automotive replacement bearing set supports proper crankshaft operation and helps maintain consistent oil control in the engine’s main bearing journals.

Manufactured by King Engine Bearings, the MB5171AM set is intended for standard-size applications where the crankshaft and engine block remain within original factory specifications. Its precision-engineered construction helps provide reliable load support, smooth crankshaft rotation and durable performance in daily driving, repair and engine rebuilding applications. Always verify crankshaft measurements and bearing clearances before installation to confirm compatibility.

Fitment information includes select 1993–1997 Ford Probe applications equipped with compatible Mazda-based four-cylinder engines. Confirm the vehicle’s year, engine code and required bearing size before ordering. This set contains one complete main bearing set for the specified application and is suitable for professional technicians, machine shops and experienced engine builders.

What's Included

• King Engine Bearings MB5171AM standard main bearing set

Features:

• Standard Size: Designed for engines using standard main bearing dimensions and factory-specification crankshaft journals.
• Engine Compatibility: Developed for select Mazda FS-DE, FP and FS inline-four engines with DOHC 16-valve cylinder heads.
• Precision Performance: Supports accurate crankshaft positioning and consistent main bearing operation.
• Durable Construction: Engineered to withstand the operating loads and lubrication demands of automotive engine applications.

Fitments:
1993 Ford Probe Base
1993 Ford Probe SE
1993 Mazda 626 DX
1993 Mazda 626 LX
1993 Mazda MX-6 Base
1994 Ford Probe Base
1994 Ford Probe SE
1994 Mazda 626 DX
1994 Mazda 626 LX
1994 Mazda MX-6 Base
1995 Ford Probe Base
1995 Ford Probe SE
1995 Mazda 626 DX
1995 Mazda 626 LX
1995 Mazda MX-6 Base
1996 Ford Probe Base
1996 Ford Probe SE
1996 Mazda 626 DX
1996 Mazda 626 LX
1996 Mazda MX-6 Base
1997 Ford Probe Base
1997 Ford Probe GTS
1997 Mazda 626 DX
1997 Mazda 626 LX
1997 Mazda MX-6 Base
1998 Mazda 626 DX
1998 Mazda 626 LX
1999 Mazda 626 ES
1999 Mazda 626 LX
2000 Mazda 626 ES
2000 Mazda 626 LX
2001 Mazda 626 ES
2001 Mazda 626 LX
2002 Mazda 626 LX

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1