Jaylec
4JJ1 Starter Motor for Colorado, Dmax and Rodeo
4JJ1 Starter Motor for Colorado, Dmax and Rodeo
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Jaylec High-Torque Starter Motor – 4JJ1 (D-MAX, Colorado, RA7 Rodeo)
12V | 2.3kW | Built Tough for Aussie 4WDs
✅ Direct Replacement for 4JJ1 Engines | ✅ High Cranking Power | ✅ Free Express Shipping Australia-Wide
Upgrade or replace your worn factory starter with this Jaylec High-Quality Starter Motor, built to suit the Isuzu 4JJ1 3.0L engine found in D-MAX, Colorado, and Rodeo models. Engineered for reliable cold starts and consistent cranking under load, it’s a proven solution for diesel 4x4s in harsh conditions.
🔧 Suits
- Isuzu D-MAX 4JJ1 – 2006–2012
- Holden Colorado RC 4JJ1 – 2008–2012
- Holden RA7 Rodeo 4JJ1 – 2007–2008
See images for detailed vehicle fitment guide.
⚙️ Starter Motor Specifications
- Voltage: 12V
- Output: 2.3kW
- Teeth: 9T
- Pinion Diameter: 32mm
- Rotation: Clockwise (CW)
- Pinion at Rest: 10mm
- Flange Diameter: 95mm
- Mount C-to-C: 120mm
- Mount Hole Diameter: 13mm
- Overall Length: 220mm
- Ground: Negative
- Housing Index: External
- Front Housing: Rotatable for universal mounting
- Weight: 5.8 kg
📦 What’s Included
- Jaylec 2.3kW Starter Motor assembly (4JJ1)
- Basic fitting hardware (as supplied)
🛠️ Fitment & Install Tips
- Disconnect battery before starting work
- Confirm pinion tooth count, flange, and mount dimensions match your original unit
- Torque fasteners to factory specs; ensure clean earths and battery health
💪 Why Choose Jaylec?
- High-torque design for reliable starts under load
- Quality-tested construction for durability and longevity
- Rotatable front housing allows flexible installation
- Direct-fit replacement for 4JJ1 3.0L applications
💳 Payment & 🚚 Shipping
- Buy now, pay later with Afterpay, Humm, Klarna, and Zip
- Free Express Shipping Australia-Wide – typically ships same or next business day
❓ FAQs
Will this fit 4JJ3?
It’s designed for 4JJ1 applications listed above. Check part numbers and dimensions for other engines.
Do I need ECU coding?
No coding is required for starter motors.
What should I check if cranking is still weak?
Battery condition, main earths, and starter relay/solenoid voltage drop.
