Relay & Fuse Box

Enhance your Case Construction equipment’s reliability with the Relay and Fuse Box #87312843. Designed for optimal performance, this essential component ensures efficient electrical management, keeping your heavy machinery running smoothly on any job site. Upgrade today for peace of mind!

Compatible equipment

This part fits WHEEL LOADER - TIER 4 (NA), WHEEL LOADER - TIER 4B (NA), WHEEL LOADER TIER 4 (NA), SERIES 3 CRAWLER DOZER TIER 3 (NA/EU), CRAWLER DOZER TIER 3 (NA/EU) (HYDRO), SERIES 3 CRAWLER TIER 3, SKID STEER - SERIES 3 410 NA ASN N7M480924 410 EU ASN N7M468736, SKID STEER - SERIES 3 440 NA ASN N8M474469 440 EU ASN N8M407542, COMPACT TRACK LOADER - SERIES 3 ASN N7M483467, SKID STEER TIER 3 P.I.N. N7M464019 & AFTER, COMPACT TRACK LOADER - SERIES 3 ASN N7M464019, WHEEL LOADER TIER 3 (NA), WHEEL LOADER WASTE HANDLING - TIER 4A (NA), SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008, CRAWLER DOZER TIER 3 (HYDRO), WHEEL LOADER - TIER 4 / TIER 2 (NA), WHEEL LOADER TIER 3 NA/EU, 4WD MOTOR GRADER (LIVERY) - TIER 4, 4WD MOTOR GRADER MY20 - STAGE V, AWD MOTOR GRADER (LIVERY) - TIER 4, AWD MOTOR GRADER MY20 - STAGE V, MOTOR GRADER - DIRECT DRIVE - TIER 3 (BR), MOTOR GRADER - TORQUE CONVERTER - TIER 3 (BR), MOTOR GRADER TIER 3 (NEW CAB), CRAWLER DOZER TIER 3, WHEEL LOADER TIER 3 (NA/EU) including models 1021F, 1021G, 1121F, 1121G, 1150K, 1650L, 1850K, 410, 440, 440CT, 450, 450CT, 521E, 521F, 521G, 621E, 621F, 650K, 650L, 721E, 721F, 821E, 821F, 836C, 836C AWD.

Frequently asked questions

What is the part number?

The manufacturer part number is 87312843.

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.

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.