Description
Nissan Frontier Engine for Sale
Restore reliable torque and factory-correct power with a genuine Nissan Frontier engine. Perfect for high-mileage replacements or swaps, this four-cylinder workhorse will keep every start, tow, and commute dependable. Don’t wait, this tested QR25DE 2.5L engine will get your Frontier back on the road with minimal downtime.
Nissan Frontier Engine – QR25DE
The QR25DE is a robust inline-four introduced in 2002 and powering the Frontier since 2005. With cast steel rods, a durable steel timing chain, counter-rotating balance shafts, and an aluminum intake, this 2.5L DOHC 16-valve unit is strong and smooth. Lightweight, versatile, and service-friendly, it features a longitudinal layout compatible with both manual and automatic transmissions.
Built for Hard Work
- Delivers steady power and torque for reliable towing and hauling, even under heavy payloads.
- Optimized emissions and high fuel economy reduce operating costs both in town and on the highway.
- Durable internals and balance shafts allow it to excel in commercial, off-road, and fleet use.
- Wide availability of parts ensures easy maintenance and long-term repairs.
- Low-maintenance operation, with fewer issues related to timing chains or injector wear.
Proven Components
- Displacement: 2.5L, Bore: 89 mm, Stroke: 100 mm (aluminum block and head).
- DOHC architecture with continuously variable valve timing (CVTC) on the intake cam.
- Multi-point fuel injection, coil-on-plug ignition, and electronic throttle control.
- Compression ratio: 9.5:1 to 10.5:1 (varies by year/application).
- Dual counterbalance shafts reduce vibration and provide a smoother idle.
- Compatible with Nissan Xtronic automatic and 5-/6-speed manual transmissions.
Everyday Utility
The QR25DE delivers 152 hp and 171 lb.-ft of torque (Frontier spec), offering strong low-end grunt for real-world truck duty. Expect quiet operation, minimal vibration, and consistent response from idle to redline, engineered for the daily demands of pickup use, both on- and off-road.
Get Your Frontier Back to Work
Choose OEM reliability and performance with the Nissan Frontier Engine , built to withstand heavy use while keeping you moving. Available in stock and ready to ship, so upgrade today and get your Frontier back on the job, whether for work, play, or adventure.




















