Electrical
Diesel Truck Electrical Parts
Black Diamond Unlimited supplies premium diesel truck electrical parts for when you need to do some maintenance or repairs on your trusty vehicle.
Our extensive product line includes batteries, fuses, alternators, generators, wiring harnesses, flashers, and all the related diesel truck electrical accessories you need to keep your vehicle running smoothly. Our parts are designed to meet the demands of heavy-duty vehicles, providing unmatched durability and performance.
Whether you're replacing a single component or upgrading your entire diesel truck electrical system, Black Diamond Unlimited has the expertise and inventory to support your needs. Experience top-tier service and quality with Black Diamond Unlimited—your partner for diesel truck electrical components.
MSD Performance 8897 Replacement Harness f..
Brand: MSD Performance
Part Number: 8897
Replacement Harness for PN 6201/62013, Digital 6A and PN 6425/64253 Digital 6A-LTrust MSD to provide..
$30.19
MSD Performance 8961 MSD High Current Rela..
Brand: MSD Performance
Part Number: 8961
The SPST High Current Relay is rated at 30 amps with an input voltage of 12 volts DC.MSD's High Curr..
$54.35
MSD Performance 89611 MSD SPST Relay w/Soc..
Brand: MSD Performance
Part Number: 89611
The SPST Waterproof High Current Relay is rated at 30 amps with an input voltage of 12 volts DC, sup..
$31.35
MSD Performance 89612 MSD Solid State N/O ..
Brand: MSD Performance
Part Number: 89612
The SPST Normally Open Relay is rated at 20 amps continuous, supplied with Socket Harness.The benefi..
$53.35
Nitro Gear & Axle ARBTACO-PLATE 3 Position..
Brand: Nitro Gear & Axle
Part Number: ARBTACO-PLATE
Switch Mount Plate by ARB; 3 Position;Use this plate in place of the dash Cubby for a clean install ..
$30.16
PIAA 76500 Powersports Sports Horn
Brand: PIAA
Part Number: 76500
Powersports Sports Horn; 500Hz;Horns are one of your most important safety devices. This loud 500Hz ..
$50.96
PIAA 76501 Powersports Sports Horn
Brand: PIAA
Part Number: 76501
Powersports Sports Horn; Slim Line; 500hz;A loud, attention getting horn is one of your most importa..
$54.83
PIAA 78739 Jumper Harness
Brand: PIAA
Part Number: 78739
Jumper Harness; For Use w/RF LED Light Bar; Female Lead To 2 Male Leads;PIAA Jumper Harness allows y..
$12.71
PIAA 85110 Bass Tone Sports Horn Kit 400Hz..
Brand: PIAA
Part Number: 85110
Sports Horn; Bass Tone; 400hz + 500hz; 115dB;Horns are one of your most important safety devices. Th..
$58.65
MSD Performance 89616 ELECTRIC FAN HARN./R..
Brand: MSD Performance
Part Number: 89616
Temperature Controlled Cooling Fan Harness & Relay Kit w/ 195 degree temperature switch. 30 Amp Rela..
$65.55
MSD Performance 89618 Electric Fuel Pump H..
Brand: MSD Performance
Part Number: 89618
Electric Fuel Pump Harness & Relay Wiring Kit. 30 Amp Relay and Circuit BreakerMSD Relay & Wiring Ki..
$41.06
PIAA 85112 High Tone Sports Horn Kit 500Hz..
Brand: PIAA
Part Number: 85112
Sports Horn; High Tone; 500hz + 600hz; 115dB;Horns are one of your most important safety devices. Th..
$58.65
PIAA 85114 Slim Sports Horn Kit 400Hz + 50..
Brand: PIAA
Part Number: 85114
Sports Horn; Slim Line Deep Tone; 400hz + 500hz; 112dB;Horns are one of your most important safety d..
$58.65
PIAA 85115 Superior Bass Sports Horn Kit 3..
Brand: PIAA
Part Number: 85115
Sports Horn; Superior Bass; 330hz + 400hz; 112dB;Horns are one of your most important safety devices..
$58.65
Pro Comp Suspension 9300 LIGHTING
Brand: Pro Comp Suspension
Part Number: 9300
Switch Kit; Single Heavy Duty w/Relay For 2 Lights;Single heavy duty switch with dual relays for two..
$16.14