DNJ
DNJ Connecting Rod Bearing Set 1989-2001 Ford, Mazda 2.3L-2.5L (Oversizes Available)
DNJ Connecting Rod Bearing Set 1989-2001 Ford, Mazda 2.3L-2.5L (Oversizes Available)
Part number: RB447
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Listed for: 1989–2001 Ford and MazdaFitment notes & questions
DNJ Connecting Rod Bearing Set for the 1989–2001 Ford and Mazda with the 2.3L engine. Engine bearings let the crankshaft and rods spin on a thin film of oil. Part number: RB447.
Key features
- Made for One Set Services Complete Engine. engines
- Listed for L4 2.3L, 2.5L 140, 153 SOHC 8V engines
- Available in 4 size options
Specifications
- Brand: DNJ
- Part type: Bearing set
- Part number: RB447
- Engine: 2.3L
- Engine code: One Set Services Complete Engine.
Options
- Size: Standard, Oversize .010 in. (.25mm), Oversize .020 in. (.50mm), Oversize .030 in. (.75mm)
Fitment for the 1989–2001 Ford and Mazda
- Years: 1989–2001
- Vehicles: Ford, Mazda
- Cylinders: L4
- Displacement: 2.3L, 2.5L
- Engine: 140, 153 SOHC 8V
Check your year, model, engine and trim against this list before you order.
What it does
Bearing size depends on whether the crankshaft has been ground, so measure before ordering. Using the correct part for your exact engine keeps oil pressure, sealing and timing where the engine was designed to run, and doing related parts at the same time saves taking it apart twice.
Installation & tips
- Check clearances with plastigage or a micrometer, and use assembly lube on every bearing.
- Oil pump: Often replaced together.
- Gasket set: The engine comes apart for bearings.
- Put the new part next to the old one and compare the shape, mounting points and connections before you install it.
- Work on a cool engine with the vehicle secured, and use a service manual for your vehicle for torque specs and procedures.
FAQ
What is the part number of this connecting rod bearing set?
RB447 (DNJ). Compare it with the number on your old part or in your parts catalog.
Which engine is it for?
It is listed for the 2.3L One Set Services Complete Engine. engine in the 1989–2001 Ford and Mazda. Check the engine code on your vehicle if it was offered with more than one engine.
Can I install it myself?
Many owners do this job at home with basic tools and a service manual for their vehicle. If you are not sure, have it fitted by a qualified mechanic.
Before you order
- Confirm your year, make, model, engine and trim match the fitment listed above (1989–2001 Ford and Mazda 2.3L).
- Compare part number RB447 with your original part.
Good to know
- Warranty: 12 month or 12,000 mile warranty whichever comes first. Warranty must be requested by the original purchaser and is limited to the replacement of the alleged defective part(s) only.
DNJ engine bearings for the Ford and Mazda: what to know
Worn bearings cause knocking and low oil pressure, and they are always replaced in a rebuild.
Fitment notes
- Listed for: 1989–2001 Ford and Mazda.
- Model years: 1989–2001. Parts can change mid-generation, so match the exact year.
- Engine: match the engine size and code to your vehicle; the same model often came with several engines.
- Specs, lead time and warranty come from DNJ and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentWhat else to plan for
- Oil pump. Often replaced together.
- Gasket set. The engine comes apart for bearings.
More for your car: Rod Bearings · Ford Parts · All Rod Bearings · Engine
Questions about Ford and Mazda engine bearings
Will this fit my Ford and Mazda?
What does undersize mean?
Where do specs and warranty details come from?
Questions & answers
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