8N-8978: 20mm Long Spacer

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Washers & Spacers

Spacers are flat rings made of metal, rubber or plastic fixed under a nut or the head of a bolt to spread the pressure when tightened or between two joining surfaces.

Brand: Cat

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8N-8978: 20mm Long Spacer

Spacers are flat rings made of metal, rubber or plastic fixed under a nut or the head of a bolt to spread the pressure when tightened or between two joining surfaces.

Brand: Cat

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Warranty Information

Return Policy

Frequently bought together

8N-8978

6H-3957

8B-8255

View All Parts

Frequently bought together

8N-8978: 20mm Long Spacer

6H-3957: 40mm Heat Treated Ball Bearing

8B-8255: 81.13mm Outer Diameter Lip Type Seal

5F-0149: 91.44mm Inner Diameter Seal O Ring

8N-8979: 90mm Long Hollow Spacer

1W-4564: 25mm Thick Retaining Washer

Diagram

Description

Specifications

Compatible Models

Parts diagram for 8N-8978

Specifications for part number 8N-8978

Units of Measure

Metric

Compatible Models for part number 8N-8978

TRACK-TYPE TRACTOR

D9L D9N D8L D8N

WHEEL TRACTOR

639D 633E II 627G 621B 637G 657E 627E 637D 657B 623B 627F 637E 621E 623G 631D 651B 621F 631E 623E 633D 623F 657G 621G 631G 651E

RIPPER

9 8

PIPELAYER

589 578

WHEEL SCRAPER

621E 657 657E 657B

BULLDOZER

8S 9C 9U 9S 8A

WINCH

Key

Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced