
CASE part A66531 is identified as a Piston in the MyCNH catalog. Verified model and assembly contexts are included for fitment review.
Product Description
CASE part number A66531 appears in the source catalog under the product name Piston.
The number is linked to 2 model catalog(s) and 4 assembly figure(s). One verified context is 024 - PISTONS AND SLEEVES, WITH 5.189'' TO 5.194'' FIRE DAM DIAMETER SLEEVE, 336BD DIESEL ENGINES for 680E - CASE CONSTRUCTION KING LOADER BACKHOE (01/74 - 12/78). Catalog relationship data: Superseded by A166122; Replaces A152176.
For fitment, compare the exact part number, model catalog, functional group, assembly figure, reference and quantity. Machine options, production changes and serial breaks can affect the correct selection.
Frequently asked questions
What is CASE part A66531?
CASE A66531 is listed in the MyCNH CASE Construction catalog as a Piston.
Which equipment is CASE A66531 cataloged for?
The extracted catalog links A66531 to 2 model catalog(s), including 680E - CASE CONSTRUCTION KING LOADER BACKHOE (01/74 - 12/78), with a verified occurrence in 024 - PISTONS AND SLEEVES, WITH 5.189'' TO 5.194'' FIRE DAM DIAMETER SLEEVE, 336BD DIESEL ENGINES. Confirm the exact figure, reference, configuration and any serial-number conditions before ordering.
Does CASE A66531 have a supersession number?
The catalog identifies the following superseding number(s): A166122.

