Diode Element

OEM Case Construction Diode Element #L71879 ? Protect Electrical Circuits with OEM Diode Control

This Diode Element (#L71879) prevents voltage spikes and protects sensitive electronics in Case machinery. OEM-spec voltage regulation and polarity protection.

Compatible equipment

This part fits CASE CRAWLER TRACTOR, CASE UNI-LOADER SKID STEER LOADER (AFTER S/N JAF0069386), CASE UNI-LOADER SKID STEER LOADER (S/N JAF0069587 & AFTER), CASE UNI-LOADER SKID STEER LOADER (UP TO S/N JAF0069586), CASE UNI-LOADER SKID STEER LOADER, CASE DIESEL TRACTOR (S/N 17895000 THRU 002 & UP), CASE DIESEL TRACTOR (S/N 17897500 TO 17897505 17897510 & AFTER, CASE DIESEL TRACTOR, CASE TRENCHER, CASE SKID STEER LOADER, SKID STEER - 410 NA BSN N7M480924 410 EU BSN N7M468736, SKID STEER - SERIES 3 410 NA ASN N7M480924 410 EU ASN N7M468736, SKID STEER - 420NA BSN N7M466710 420EU BSN N8M466713, SKID STEER - TIER 3 420NA N7M466710 420EU ASN N8M466713, COMPACT TRACK LOADER - BSN N7M455401, COMPACT TRACK LOADER - SERIES 3 ASN N7M455401, SKID STEER - SERIES 3 ASN 430 NA N7M479683 430 EU N7M479546, SKID STEER BSN 430 NA N7M479683 430 EU N7M479546, SKID STEER - BSN N7M425032, SKID STEER - TIER 3 ASN N7M425032, SKID STEER - 440 NA BSN N8M474469 440 EU BSN N8M407542, SKID STEER - SERIES 3 440 NA ASN N8M474469 440 EU ASN N8M407542, COMPACT TRACK LOADER - BSN N7M483467, COMPACT TRACK LOADER - SERIES 3 ASN N7M483467, SKID STEER - BSN N7M454787, SKID STEER - TIER 3 ASN N7M454787, COMPACT TRACK LOADER - BSN N8M458846, COMPACT TRACK LOADER - TIER 3 ASN N8M458846, CASE IH TRACTOR, SKID STEER TIER 2 P.I.N. N7M458414 & PRIOR, SKID STEER TIER 3 P.I.N. N7M464019 & AFTER, COMPACT TRACK LOADER - BSN N7M464019, COMPACT TRACK LOADER - SERIES 3 ASN N7M464019, SKID STEER - TIER 3 ASN N7M452623, SKID STEER BSN N7M452623, CASE CONSTRUCTION KING LOADER BACKHOE, IND - CASE CRAWLER TRACTOR, LOADER LANDSCAPER, SERIES 3 LOADER LANDSCAPER TIER 3 - ASN N8C510600, LOADER LANDSCAPER - TIER 4A ASN NCC570600, CASE CONSTRUCTION KING LOADER BACKHOE AFTER S/N 3739160 (EUROPE), CASE CONSTRUCTION KING LOADER BACKHOE BEFORE S/N 3739160 (EUROPE), LOADER BACKHOE (NORTH AMERICA), LOADER BACKHOE (NORTH AMERICA) (ASN JJG0020000), SERIES 2 LOADER BACKHOE - ASN JJG0239360, LOADER BACKHOE (NA) - ASN JJG0285001, SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C303000, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C500000, BACKHOE LOADER (LIVERY) - TIER 3 NRC, BACKHOE LOADER (LIVERY) - TIER 4B, BACKHOE LOADER - TIER 3 NRC, BACKHOE LOADER - TIER 4A - FROM PIN NCC560000, BACKHOE LOADER - TIER 4B, BACKHOE LOADER 2WD - TIER 3 NRC - MY18, BACKHOE LOADER 2WD - TIER 4B - MY18, BACKHOE LOADER 4WD - TIER 3 NRC - MY18, BACKHOE LOADER 4WD - TIER 4B - MY18, LOADER BACKHOE (TIER 3), CASE SUPER-D CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-E CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-K CONSTRUCTION KING LOADER BACKHOE, LOADER BACKHOE - BSN JJG0239361, SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C304000, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C5040000, SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C307000, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C508000, BACKHOE LOADER - TIER 4A - FROM PIN NCC564000, LOADER BACKHOE - TIER 3, BACKHOE LOADER (LIVERY) - WIDE TRACK - TIER 3 NRC, BACKHOE LOADER (LIVERY) - WIDE TRACK - TIER 4B, BACKHOE LOADER - WIDE TRACK - TIER 4B, BACKHOE LOADER 4WD - WIDE TRACK - TIER 3 NRC - MY18, BACKHOE LOADER 4WD - WIDE TRACK - TIER 4B - MY18, BACKHOE LOADER WIDE TRACK - TIER 3, BACKHOE LOADER WIDE TRACK - TIER 4A, CASE CONSTRUCTION KING FORKLIFT, SERIES 3 FORKLIFT TIER 3 - ASN N8C510000 (NA), TURBO LOADER BACKHOE, LOADER BACKHOE, SERIES 2 LOADER BACKHOE - ASN JJG0210575, SERIES 2 LOADER BACKHOE TIER 2 (NA) - ASN N4C309000, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C508500, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N7C431854, BACKHOE LOADER - TIER 4A, CASE TURBO HORIZONTAL DIRECTIONAL DRILLING MACHINE, SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005, SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006, SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008, CASE CONSTRUCTION KING LOADER BACKHOE (S/N 9101501 TO 9102281), CASE CONSTRUCTION KING LOADER BACKHOE (UP TO S/N 9101501), CASE SERIES-B CONSTRUCTION KING LOADER BACKHOE (S/N 9102282 TO 9103968, CASE SERIES-B LOADER BACKHOE (S/N 9103967 TO 9105879), CASE SERIES-C CONSTRUCTION KING LOADER BACKHOE (S/N 910600 TO 9111008), CASE SKID STEER LOADER - ASN JAF0318922 (NA) JAF0352169 (EU), CASE SKID STEER LOADER - ASN JAF0352234 (NA) JAF0352715 (EU), CASE TURBO TRENCHER, TRENCHER SUPPLEMENT (NORTH AMERICAN HOMOLOGATION), CASE SKID STEER LOADER - ASN JAF0320050 (NA) JAF0274262 (EU), CASE IH STEIGER 4WD TRACTOR (FROM S/N 17900650 TO JCB0003599), CASE IH STEIGER 4WD TRACTOR (PRIOR TO S/N 17900650), CASE IH STEIGER 4WD TRACTOR (S/N JCB0003600 & AFTER), CASE IH STEIGER 4WD TRACTOR (AFTER S/N 17900649), CASE SKID STEER LOADER - ASN JAF0311357 (NA) JAF0274360 (EU), COMPACT TRACK LOADER P.I.N. N7M466429 & AFTER (NA), COMPACT TRACK LOADER P.I.N. N7M466428 & PRIOR, COMPACT TRACK LOADER P.I.N. N8M469897 & PRIOR - NA, COMPACT TRACK LOADER P.I.N. N8M469898 & AFTER (NA), COMPACT TRACK LOADER P.I.N. N7M457281 & PRIOR, COMPACT TRACK LOADER P.I.N. N7M457282 & AFTER, COMPACT TRACK LOADER, COMPACT TRACK LOADER - NRC, COMPACT TRACK LOADER - TIER 4B, COMPACT TRACK LOADER - TIER 4A, COMPACT TRACK LOADER - TIER 4B-C, CRAWLER DOZER - NA, CRAWLER DOZER, SKID STEER - NA, SKID STEER - P.I.N. N7M466067 & PRIOR - NA, SKID STEER LOADER P.I.N. N7M466068 & AFTER (NA), SKID STEER - P.I.N. N7M448077 & PRIOR - NA, SKID STEER - P.I.N. N7M448078 & AFTER - NA, SKID STEER LOADER (NA) - 2006 - N7M456356 & PRIOR, SKID STEER LOADER (NA) - 2008 - N7M456357 & AFTER, SKID STEER LOADER, SKID STEER LOADER - 1 SPEED (NA), SKID STEER LOADER - 2 SPEED (NA), SKID STEER - P.I.N. N8M464425 & PRIOR - NA, SKID STEER LOADER - 1 SPEED P.I.N. N8M464428 & AFTER (NA), SKID STEER LOADER - 2 SPEED P.I.N. N8M464426 & AFTER (NA), SKID STEER LOADER (NA), SKID STEER LOADER - 1 SPEED (NA) P.I.N. N8M465249 & AFTER, SKID STEER LOADER - 2 SPEED (NA) P.I.N. N8M465247 & AFTER, SKID STEER LOADER P.I.N. N7M459486 & PRIOR, SKID STEER LOADER P.I.N. N7M459487 & AFTER, SKID STEER LOADER - NRC, SKID STEER LOADER - TIER 4B, SKID STEER ENGINE - N844LT, SKID STEER LOADER - TIER 4A, SKID STEER LOADER - TIER 4B-C, SKID STEER LOADER - TIER 3 - ROW, SKID STEER LOADER - NA, TRACTOR LOADER (REVISED 05/2005), SNEAKER - SERIES-C TRENCHER, FIAT KOBELCO SKID STEER LOADER (AFTER S/N 28859), SKID STEER LOADER TIER 4, TRACTOR LOADER - NA, TRACTOR LOADER TIER 3 (NA), TRACTOR LOADER - TIER 4A, CASE WHEEL LOADER (S/N 9809000 TO 9811800), CASE WHEEL LOADER (S/N 9811801 & AFTER), CASE UNIT LOADER, CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9119672) (NORTH AMERICA), CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER, CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER), CASE ARTICULATED WHEEL LOADER (NORTH AMERICA), CASE WHEEL LOADER (S/N 9123140 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER (PRIOR TO S/N 9123140), CASE WHEEL LOADER W/POD CAB - NEW YORK STATE SPECIAL, CASE WHEEL LOADER (NORTH AMERICA), CASE ARTICULATED WHEEL LOADER, CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9120696), CASE ARTICULATED WHEEL LOADER W/POD CAB (S/N 9120696 & AFTER), CASE WHEEL LOADER (PRIOR TO S/N 17754000), CASE FORKLIFT, CASE WHEEL LOADER (S/N 9811301 & AFTER) (NORTH AMERICA) including models 1150H, 1818, 1825, 1835C, 1896, 2096, 2394, 2594, 3394, 3594, 360, 40XT, 410, 420, 420CT, 430, 435, 440, 440CT, 445, 445CT, 4494, 450, 450CT, 460.

Frequently asked questions

What is the part number?

The manufacturer part number is L71879.

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.