Mazda HA Engine Parts – Willys Workshop
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Mazda HA Engine Parts

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The Mazda HA is a naturally aspirated 4.0 litre four cylinder diesel with pushrod overhead valves, eight in all. Mazda built it through the 1980s and 1990s, and the 3.5 litre SL is its closest relative on the shelf. Everything filed against the Mazda HA rides on the crank or the gudgeon pin, and that comes to 8 parts.

Mazda HA conrod bearing sets

The TDC conrod bearing set here is boxed for the HA and the 3.5 litre SL together. Willys files it under the Bravo and B-Series UF (1985-1998) category alongside the SL.

Mazda HA gudgeon pin bushes

Taiho supplies the small end pin bush set for the Mazda HA. Pin bushes go in undersize and have to be pressed and reamed to the pin after fitting. Send the rods out with the pins if you are not set up for that.

Thrust washers for the Mazda HA

A crankshaft thrust washer is listed on its own, which is worth knowing if endfloat is all you are chasing. Call Oxley on (07) 3377 3421 or Warana on (07) 5619 7869 with your engine number if you are unsure of the size.

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