Interstate-McBee M-1234612 piston crown (crown only), replaces Caterpillar 123-4612. Fits 3406B / 3406C / 3412.
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MQ7B – New Interstate-McBee M-1234612 steel piston crown, 136.887 mm diameter. Upper half of the two-piece articulated piston. Crown only – skirt, pin and rings are not included.
Replaces: Caterpillar 123-4612 (1234612)
Pairs with: Caterpillar piston skirt 163-0930 (sold separately).
Fits: Caterpillar 3406B, 3406C, 3412, 3412C, 3412E and PM3412 engines.
Product identification
Products explicitly described as “Genuine OEM” are genuine original equipment manufacturer parts. Other references to OEM names, part numbers, or model numbers are provided to identify compatibility and do not imply that a product is OEM.
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