4I-6397: 18.79mm Internal Diameter Plastic Backup Ring

Home

Hardware, Seals, & Consumables

Seals, Gaskets, & O-Rings

Backup Rings

Cat® Plastic Backup Ring of 22.67mm Outer Diameter Used for Control Valves in Hydraulic System

Brand: Cat

Product Images

4I-6397: 18.79mm Internal Diameter Plastic Backup Ring

4I-6397: 18.79mm Internal Diameter Plastic Backup Ring

Cat® Plastic Backup Ring of 22.67mm Outer Diameter Used for Control Valves in Hydraulic System

Brand: Cat

Will it fit or looking for a repair?Add your equipment to see if this part fits or if there are repair options available.

Check Price

Warranty Information

Return Policy

Frequently bought together

4I-6397

6V-3922

6V-5597

View All Parts

Frequently bought together

4I-6397: 18.79mm Internal Diameter Plastic Backup Ring

6V-3922: 18.72mm Inside Diameter Seal-O-Ring

6V-5597: 40.94mm Inside Diameter Seal-O-Ring

7M-8485: 2.95 x 29.74mm 90A NBR O-Ring

3D-2824: 2.95 x 23.47mm 90A NBR O-Ring

3J-1907: 1.98 x 11.89mm 90A NBR O-Ring

Diagram

Description

Specifications

Compatible Models

Parts diagram for 4I-6397

Specifications for part number 4I-6397

Units of Measure

Metric

Material Description:

PTFE provides superior performance in Air, Engine Oil, Diesel Fuel and Coolant applications, but is sensitive to installation damage and debris. It works well at very high temperatures.

Cross Section Width (in):

0.05

Notes:

Dimensions and Material Descriptions provided for reference only. Color may differ from image.

Cross Section Width (mm):

1.3

Cross Section Height (mm):

1.9

Material:

PTFE - Polytetrafluoroethylene,Polytetrafluoroethylene (PTFE) Plastic

Inside Diameter (mm):

18.8

Inside Diameter (in):

0.74

Cross Section Height (in):

0.08

Compatible Models for part number 4I-6397

GENERATOR SET

3512B

WHEELED EXCAVATOR

M325C MH M330D W330B M325B

HEX BASED SPL SOLUTION

320E 330F OEM

LOG LOADR FORST MACH

558

LOGGER

322C

EXCAVATOR

336E LN 320C L 330 L 320-A L 325D FM LL 325-A FM L 325B L 323F SA 320-A S 320D LN 320-A N 336D 312C 324D 336E 312D 324E 336F 315D L 325-A 320D2 320D3 336D2 L 322B LN 326D L 340D2 L 335F 323F 374F L 323D 390D 322N 390F 320D L 325 LN 322-A LN 330D2 320D FM RR 325C L 322B 322C 390D L 336D LN 319D LN 325C FM 323D LN 340F L UHD 324E LN 330B L 330B LN 321C 330D FM 321B 320E L 548 320D2 GC 325D FM 325B LN 320D2 FM 325D L 330-A L 320D GC 326D2 319D L 330 LN 323D2 L 558 325 L 320D LRR 315C 330C L 326F L 336D L 374D L 323F OEM 336D2 320F L 312C L 568 FM 323E LN 320B LU 320D FM 320B LL 330C FM 326F 322-A 538 325B 330F LN 324D L 330D L 322-A L 336E L 322-A N 325C 325D 320E RR 325F 312D L 340F 322B L 324D FM LL 330-A L 325-A LN 330D MH 328D LCR 329D LN 329D L 324D FM 340F L LRE 320E LRR 325F LCR 323F LN M325D MH 319D 330D LN 320C FM 319C 324E L 336F L 568 FM LL 374F 318C 325-A L 329E L 322 LN 323D SA 320D RR 323D3 323D S 320-A 336D2 GC 340D L 323D L 322 L 330D2 L 323D2 329D 330F L 329E 326D2 L 330-A 320N 329F L 335F LCR 330C LN 320B 320C 320D 320E 323E L 325D MH 336F LN 329E LN 321D LCR 320B FM LL 323E SA 320E LN 320B S 330-A LN 320B N 330F 320B L 329D2 L 322C FM 330B 330C 330D 320D2 L 324D LN 390F L 329D2 323F L 320 L 330C MH M325D L MH 326F LN 320B U

MATERIAL HANDLER

M325D MH MH3295 M325D L MH

MOBILE HYD POWER UNIT

330D L 329D L 336FMHPU 329E 340D2 L 336D L 323D LN 325D L 325C 325D 336F 336D 336E C7.1 323F OEM 390F 330D2 336E HVG 330F 330D 324D LN 330C 330FMHPU 323D L

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