The 2008 Kenworth T370 has 5 electrical parts with verified fitment on this page — 2 part types and 2 brands, covering both the 6.7L L6 DIESEL Turbocharged and the 8.3L L6 DIESEL Turbocharged. Each part includes a manufacturer part number and application notes.
On the 2008 Kenworth T370, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. All 5 listed parts are Speed Sensor (3 parts) and Starter Motor (2 parts).
The 2008 Kenworth T370 was sold with both the 6.7L L6 DIESEL Turbocharged and the 8.3L L6 DIESEL Turbocharged. 3 parts fit every engine; the other 2 are engine-specific. Each part shows which engine(s) it fits.
2 brands supply electrical parts for the 2008 Kenworth T370, led by DORMAN (3 parts) and FAMOUS BRAND (2 parts).
Each part number listed for the 2008 Kenworth T370 opens a page with every vehicle that part fits.
Speed Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2008 T370 engines | 5055407 | 🇺🇸 US 🇨🇦 CA | with Eaton Transmissionwith External Tone Ring | View on Amazon |
| DORMAN Fits: all 2008 T370 engines | 5055408 | 🇺🇸 US 🇨🇦 CA | with Eaton Transmissionwith External Tone Ring | View on Amazon |
| DORMAN Fits: all 2008 T370 engines | 5055406 | 🇺🇸 US 🇨🇦 CA | with Eaton Transmissionwith Internal Tone Ring | View on Amazon |
This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor.
DORMAN supplies the 3 Speed Sensor parts for the 2008 Kenworth T370. All of them fit every engine offered in the 2008 T370.
Part numbers include DORMAN 5055407, DORMAN 5055408 and DORMAN 5055406.
Starter Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FAMOUS BRAND Fits: 8.3L L6 DIESEL Turbocharged | 726777N | 🇺🇸 US 🇨🇦 CA | Delco 42MTwith Over Crank Protection | View on Amazon |
| FAMOUS BRAND Fits: 8.3L L6 DIESEL Turbocharged | 726859N | 🇺🇸 US 🇨🇦 CA | with Integral Magnetic SwitchDelco 38MT | View on Amazon |
This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
2 Starter Motor parts for the 2008 Kenworth T370 come from FAMOUS BRAND.
Listed part numbers: FAMOUS BRAND 726777N and FAMOUS BRAND 726859N.
Buying Electrical Parts for a 2008 Kenworth T370
On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.
- Match the engine first. Some electrical parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, clean or renew the battery terminals and grounds with any charging-system repair.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Speed Sensor and Starter Motor .
Frequently Asked Questions
How many electrical parts fit the 2008 Kenworth T370?
Our catalog currently lists 5 electrical parts for the 2008 Kenworth T370 across 2 subcategories and 2 brands, covering both the 6.7L L6 DIESEL Turbocharged and the 8.3L L6 DIESEL Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2008 Kenworth T370 engines?
Some do. 3 parts fit every engine; the other 2 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical problems on a 2008 Kenworth T370?
Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, clean or renew the battery terminals and grounds with any charging-system repair.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2008 Kenworth T370 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2008 Kenworth T370?
First match the engine — each row shows which engine(s) the part fits. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2008 Kenworth T370
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.