135.94mm Id X 145.08mm Od X 1.93mm Thick Back-up Ring

Enhance your heavy equipment’s performance with the Case Construction Back-Up Ring #G109034. Designed with precision, this durable ring features a 135.94mm ID, 145.08mm OD, and 1.93mm thickness, ensuring reliable sealing and optimal functionality for your machinery.

Compatible equipment

This part fits WHEEL LOADER - TIER 2 (INT), WHEEL LOADER - TIER 4B (NA), WHEEL LOADER - TIER 4B / STAGE V (EU), CASE CRAWLER EXCAVATOR, KIT HYDRAULIC USED W/LOADER ON FMD FPM FSM TRACTORS, CASE WHEEL LOADER (EUROPE), CASE WHEEL LOADER (PRIOR TO S/N JAK0021701) (NORTH AMERICA), CASE WHEEL LOADER (S/N JAK0021701 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER (NORTH AMERICA), CASE WHEEL LOADER, CASE ARTICULATED WHEEL LOADER (BRAZIL), CASE WHEEL LOADER (S/N JEE0155000 & BEFORE), CASE WHEEL LOADER (S/N JEE0155001 & AFTER), WHEEL LOADER - FRENCH ARMY, WHEEL LOADER - TIER 3 (EU), WHEEL LOADER - TIER 4 / TIER 2 (NA), WHEEL LOADER TIER 4 / TIER 2 (EU), WHEEL LOADER WASTE HANDLING - TIER 4B including models 1021G, 1080, 1080B, 1121G, 1286, 621, 621B, 621C, 721B, 721G, 821, 821B, 821C, 821F, 921F, 921G, W230C, W230D.

Frequently asked questions

What is the part number?

The manufacturer part number is G109034.

Is this a genuine OEM part?

Yes. Southeastern Equipment stocks OEM and quality aftermarket parts for heavy equipment. Contact us if you need a specific OEM source or aftermarket option.

Will this fit my machine?

See the compatible equipment list above. If your model is not listed, call us with your machine's serial number and we can confirm.

Where does this ship from?

Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.

Free pickup at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky. Select your preferred branch at checkout.

30-day no-fault returns. Bought the wrong part? Send it back for a full refund — no restocking fees, no minimums.