Part Category
Heavy-Duty Truck Electrical Parts
Keep your Class 8 truck powered and reporting clean with heavy-duty truck electrical parts built for the road. This category covers the chassis and cab wiring components that keep starting, charging, lighting, and sensor circuits alive — sensors, switches, relays, solenoids, connectors, terminals, and harness hardware for hard-working diesel rigs.
Not sure which part fits your truck? We cross-reference OEM, competitor, and superseded numbers so you order the right component the first time. JAK'S Diesel ships in-stock parts same-day, with free freight on orders over $1,000. Call or text (720) 445-6249.
349
Parts Available
Showing 24 of 349 Heavy-Duty Truck Electrical Parts
JAK'S JAKS-E6-ELEC-90001
Available · Confirm Lead Time
$69.90
Mack UNIVERSAL USE
10511353 · 2132-10469265
JAK'S JAKS-854080
JAK'S JAKS-854080
Available · Confirm Lead Time
$37.23
854077 Mack /
Mack UNIVERSAL USE UNIVERSAL USE
2132-8600201 · DR 8600316
JAK'S JAKS-854077
JAK'S JAKS-854077
Available · Confirm Lead Time
$367.99
854076 Mack /
Mack UNIVERSAL USE UNIVERSAL USE
456-5575 · 2132-8600060
JAK'S JAKS-854076
JAK'S JAKS-854076
Available · Confirm Lead Time
$439.99
854075 Mack /
Mack UNIVERSAL USE UNIVERSAL USE
JAK'S JAKS-854075
Available · Confirm Lead Time
$456.99
854074 Mack /
Mack FREIGHTLINER MULTIPLE APPLICATION
3540035C91 · DR19011176
JAK'S JAKS-854074
JAK'S JAKS-854074
Available · Confirm Lead Time
$439.99
854073 Mack /
Mack UNIVERSAL USE UNIVERSAL USE
JAK'S JAKS-854073
Available · Confirm Lead Time
$439.99
Mack MP7
20911942 · 21019460
JAK'S JAKS-854040
JAK'S JAKS-854040
Available · Confirm Lead Time
$888.99
Cummins ISL
2132-8200433
JAK'S JAKS-854039
JAK'S JAKS-854039
Available · Confirm Lead Time
$857.99
Mack
2132-19011518 · 2132-8200289
JAK'S JAKS-854038
JAK'S JAKS-854038
Available · Confirm Lead Time
$779.99
804198 Mack /
Mack
2MR2136M · 25171095
JAK'S JAKS-804198
JAK'S JAKS-804198
Available · Confirm Lead Time
$6.99
Volvo UNIVERSAL USE UNIVERSAL USE
25110754 · 2MR2153M2
JAK'S JAKS-804197
JAK'S JAKS-804197
Available · Confirm Lead Time
$11.74
Mack UNIVERSAL USE UNIVERSAL USE
25110918 · 2MR2154M2
JAK'S JAKS-804196
JAK'S JAKS-804196
Available · Confirm Lead Time
$11.74
Volvo VNL GENERATION MODELS
20399170 · 20479584
JAK'S JAKS-804154
JAK'S JAKS-804154
Available · Confirm Lead Time
$219.99
Mack
1MR4323M10 · 1MR4341AM10
JAK'S JAKS-804145
JAK'S JAKS-804145
Available · Confirm Lead Time
$68.01
Volvo VNL GENERATION MODELS
3081534
JAK'S JAKS-804137
JAK'S JAKS-804137
Available · Confirm Lead Time
$100.99
Mack
1MR4318AM · 1MR4318M
JAK'S JAKS-804136
JAK'S JAKS-804136
Available · Confirm Lead Time
$138.60
Mack CH MODELS
1MR581 · 1MR581A
JAK'S JAKS-804134
JAK'S JAKS-804134
Available · Confirm Lead Time
$135.54
Choosing the Right Heavy-Duty Truck Electrical Parts
Heavy-duty diesel components must be matched to the exact engine and application. Before ordering from this collection, verify the part number, engine model, engine serial number, and any casting or calibration number shown on the original component.
Fitment information to have ready
- OEM, dealer, casting, or interchange part number
- Engine manufacturer, model, and engine serial number (ESN)
- Truck year and model when the component is chassis-specific
- Core details for remanufactured or exchange components
Need a fitment check?
Use the OEM cross-reference tool or text a clear photo of the part tag to (720) 445-6249. A JAK'S Diesel specialist can confirm the match before the part ships.
Can't Find the Right Part?
Text us the part number or a photo of the tag — we'll cross-reference it and quote you the right one.