High Quality Manufacturers
4JJ1 Motor for Sale
- Top Quality Manufacturer Selected.
- Common Engine Design Issues Fixed / Resolved.
- One Year Product Warranty Included as Standard
- Directly Plug & Play Engines. No Modifications Required.
Customer Reviews
Hundreds of High Quality Positive Reviews.
Learn more
How it Works?
Learn more
Shipping & Handling
- Free Shipping anywhere within Australia.
- All Crate Engines are Shipped with Team Global Express.
- Delivery Times can vary between 5-11 Days as we have multiple warehouses in Various Cities.
- All Crate Engines are shipped with Insurance as Standard.
- We have Expedited Shipping Available on Checkout.
- International Postage is Available upon Request.
5 Main Differences
What Makes Crate Engines the Best Choice?
- Centra Steel Crankshaft:
Our crankshafts are made from Centra Steel, offering superior compressive strength compared to forged steel, ensuring durability and long-lasting performance. Precision Tolerances:
We maintain crankshaft tolerances of no more than 2S, delivering exacting precision that guarantees smoother operation and reduced wear over time.OEM Precision Design:
Our engines are built to a 1:1 specification, with 98% of the original OEM design followed, ensuring compatibility and reliability.Skilled Workforce:
Every engine is assembled by highly skilled employees with a minimum of 5 years of hands-on engine-building experience, ensuring expertise and attention to detail.High-Grade Aluminum:
We use only high-grade aluminum for the engine head and block (where applicable), ensuring lightweight strength and heat resistance, vital for engine longevity.
Be Assured with
Warranty & Returns
- All Crate Engines include a 1 Year Manufacture Warranty.
- Certain Guidelines Must be Followed in order to ensure this Warranty is accepted upon the event of a failure.
- Our website will Store your information, so if a warranty issue does come up, we have all your details.
- Please see our Warranty or Returns Sections.
- Returns are Accepted within 7 Days, providing the Engine has not be Used / Dismantled.
- Extended Warranty available on Checkout!
More Information about
4JJ1 Motor for Sale
Crate Engines Australia proudly offers a premium 4JJ1 motor for sale, specifically configured for Series 2 Isuzu N Series Euro 4 and Euro 5 trucks as well as late-model electronic emissions-controlled machinery. Designed for commercial durability and modern compliance, our Series 2 4JJ1 engines provide the ideal solution for operators seeking a reliable and long-term replacement. Whether fitted to an NPR or NQR truck or installed into emissions-regulated excavator and industrial equipment, this 4JJ1 motor for sale delivers proven torque, efficiency and durability under sustained load conditions. 
Every 4JJ1 motor for sale supplied by Crate Engines Australia is professionally assembled and prepared to meet the demands of commercial operation. The Series 2 platform features updated injector design, revised crank trigger configuration and compatibility with Euro 4/5 emissions systems, ensuring correct integration with factory ECU calibration and DPF-equipped vehicles. Unlike earlier non-DPF variants, the Series 2 4JJ1 is engineered to operate seamlessly within modern electronic control systems, making it the correct replacement for later N Series trucks and electronic emissions machinery applications.
With decades of industry experience behind us, we understand the critical importance of selecting the correct 4JJ1 motor for sale based on build year, emissions configuration and application type. Our team works closely with customers to confirm compatibility before dispatch, helping prevent costly installation delays and ensuring the engine matches the vehicle or machinery specification. Built around a heavy-duty cast iron block and alloy cylinder head architecture, the Series 2 4JJ1 retains the strength and reliability that made the platform widely respected across commercial fleets throughout Australia.
In addition to supplying a high-quality 4JJ1 motor for sale, Crate Engines Australia provides nationwide freight, professional packaging and warranty support for complete peace of mind. We partner only with manufacturers who meet strict quality control standards, ensuring every engine is built with precision and durability in mind. Whether you are replacing a failed N Series truck engine or sourcing a compliant unit for late-model excavator or industrial machinery, our 4JJ1 motor for sale represents a dependable investment in the continued performance and longevity of your equipment. 
When you choose Crate Engines Australia, you are not simply purchasing a replacement engine — you are securing a professionally supported commercial solution backed by experience, quality control and long-term reliability. 
Reviews
There are no reviews yet.