• Jaylec 4JJ1 starter motor for Colorado, Dmax, and Rodeo, showcasing the compact alternator with electrical connections visible.
  • Jaylec 4JJ1 starter motor for Isuzu D-MAX Holden Colorado and Rodeo RA7
  • Jaylec 4JJ1 high-torque 2.3kW starter motor for Isuzu D-MAX and Holden Colorado
1 3

Jaylec

4JJ1 Starter Motor for Colorado, Dmax and Rodeo

4JJ1 Starter Motor for Colorado, Dmax and Rodeo

$777.00 NZD
$777.00 NZD
Sale Sold out

Taxes excluded. Shipping calculated at checkout.

Normally Ships in 0-2 Business Days
Secure Checkout
VISA Pay Pay
Jaylec High-Torque Starter Motor: 4JJ1 (D-MAX, Colorado, RA7 Rodeo)

12V | 2.3kW | 9 Tooth | Direct Replacement for the Isuzu 4JJ1 3.0L

Jaylec 12V 2.3kW High Torque 9T Pinion, Clockwise Direct Replacement Afterpay, Humm, Klarna, Zip Free Express Shipping AU

Worn factory starter dragging on cold mornings? This Jaylec high-torque starter suits the Isuzu 4JJ1 3.0L in the D-MAX, Colorado and Rodeo. Built for reliable cold starts and consistent cranking under load, in the conditions Australian 4x4s actually live in.

Vehicle Fitment
  • Isuzu D-MAX, 4JJ1, 2006 to 2012.
  • Holden Colorado RC, 4JJ1, 2008 to 2012.
  • Holden RA7 Rodeo, 4JJ1, 2007 to 2008.

See the images for the detailed vehicle fitment guide. Confirm pinion tooth count, flange and mount dimensions against your original unit, or send us your VIN.

Starter Motor Specifications
  • Voltage: 12V.
  • Output: 2.3kW.
  • Teeth: 9T.
  • Pinion diameter: 32mm.
  • Rotation: clockwise (CW).
  • Pinion at rest: 10mm.
  • Flange diameter: 95mm.
  • Mount centre to centre: 120mm.
  • Mount hole diameter: 13mm.
  • Overall length: 220mm.
  • Ground: negative.
  • Housing index: external.
  • Front housing: rotatable for universal mounting.
  • Weight: 5.8 kg.
What Is Included
  • Jaylec 2.3kW starter motor assembly (4JJ1).
  • Basic fitting hardware (as supplied).
Fitting Notes
  • Disconnect the battery before starting work.
  • Confirm pinion tooth count, flange and mount dimensions match your original unit.
  • Torque fasteners to factory specs, and check earths and battery health.
Why Jaylec
  • High-torque design for reliable starts under load.
  • Quality-tested construction for durability.
  • Rotatable front housing for flexible installation.
  • Direct-fit replacement for 4JJ1 3.0L applications.
Shipping and Payment
  • Free express shipping Australia-wide, fully tracked.
  • Dispatch: in-stock orders placed before 2 PM AEST on a business day go out the same day.
  • Buy now, pay later: Afterpay, Humm, Klarna and Zip. All major credit cards accepted.
Frequently Asked Questions

Q: Will this fit a 4JJ3?
A: It is designed for the 4JJ1 applications listed. Check part numbers and dimensions for other engines, or send us your VIN.

Q: Do I need ECU coding?
A: No. Starter motors do not need coding.

Q: What should I check if cranking is still weak?
A: Battery condition, main earths, and voltage drop at the starter relay and solenoid.

2.3kW Of Cold-Start Insurance

Jaylec high-torque starter for the 4JJ1 D-MAX, Colorado and RA7 Rodeo. Free express shipping Australia-wide.

Disclaimer: Common Rail Cowboys is not affiliated with Isuzu Motors, General Motors or Holden. Jaylec is a trademark of its owner, used to identify the product supplied. Installation should be carried out by a competent person. Fitment is the buyer's responsibility.

View full details