Field Notes on a Workhorse: Engine Assembly For MR20 2.0 L 108 KW For Nissan
I’ve stood in enough bays to know this: when a Nissan MR-series car rolls in with a tired heart, shops want a clean swap, predictable power, and no surprises. This assembly checks those boxes—and, to be honest, that’s half the battle in today’s aftermarket, where delivery times and testing documentation matter almost as much as horsepower.
Why this assembly is trending
In fact, the 2.0L MR family has become the go-to for cost-controlled fleet refreshes. Many customers say the plug-and-play fitment and consistent dyno sheets save a day of labor versus rebuilding old cores. The unit originates from 289 Heping East Road, Chang’an District, Shijiazhuang, Hebei, China—where, it seems, capacity and parts availability are currently very strong.
Key specs at a glance
| Parameter | Spec (≈ real-world) |
|---|---|
| Displacement | 2.0 L inline-4, DOHC, 16V |
| Rated output | 108 kW ≈ 5200–5600 rpm (SAE J1349 basis) |
| Peak torque | ≈ 190–200 Nm @ 4400 rpm |
| Compression ratio | ≈ 10.0–10.5:1 |
| Fuel system | Multi-point injection (MPI) |
| Materials | Aluminum alloy head/block with cast-iron liners |
| Typical service life | ≈ 200,000–300,000 km with OEM maintenance |
Manufacturing and validation (how it’s built and proven)
- Materials: aluminum head/block, nodular iron crank, powdered-metal rods, moly-coated pistons.
- Methods: CNC line-bore; plateau-honed cylinders; torque-to-yield fasteners; balanced rotating assembly.
- Testing: compression ≈ 12.5–14.5 bar/cyl; leak-down ≤ 5% warm; oil pressure ≈ 0.9 bar idle, ≥ 3.5 bar @ 3000 rpm; 20–30 min hot run-in.
- Standards referenced: SAE J1349 for power reporting; QMS typically aligned to ISO 9001/IATF 16949 (request current certificates).
Where it’s used and why it helps
Application scenarios include daily-driver restorations, ride-hailing fleets, and light commercial runs where downtime hurts. Installers tell me the harness alignment and accessory mounting are familiar, shaving install time to around 6–8 hours in clean bays.
Vendor comparison (quick reality check)
| Vendor | Price | Lead time | Warranty | Docs & Testing |
|---|---|---|---|---|
| Oujia (this unit) | Competitive | ≈ 7–21 days | Varies by region | Run-in sheet, compression data |
| OEM crate | Highest | ≈ 10–30 days | OEM-backed | Full OEM traceability |
| Local rebuild | Varies | Depends on queue | Shop policy | Depends on shop |
Customization and options
- With/without ancillary accessories (alternator, A/C, manifolds).
- Sensor set options; gasket kits; flywheel variants by model year.
- Pre-shipping compression video and QR-coded test report (often available on request).
A quick case from the field
A 24-car ride-hailing fleet swapped to the Engine Assembly For MR20 2.0 L 108 KW For Nissan. After 6 months, their logs showed fuel economy stable within ≈2% of baseline new-vehicle data, and zero early oil-consumption flags. Not earth-shattering, but in fleet math, that’s a win.
What to verify before you buy
- Match VIN/engine code, ECU calibration, and emissions hardware.
- Request current QMS certificates (ISO 9001/IATF 16949) and sample dyno sheet.
- Confirm warranty terms, core requirements (if any), and gasket set inclusion.
Bottom line: the Engine Assembly For MR20 2.0 L 108 KW For Nissan delivers dependable output with straightforward installation. Actually, that simplicity is its biggest advantage.
Authoritative references
- SAE J1349: Engine Power Test Code – Spark Ignition and Compression Ignition Engines. https://www.sae.org/standards/content/j1349/
- IATF 16949:2016 – Automotive Quality Management System. https://www.iatfglobaloversight.org/
- ISO 9001:2015 – Quality management systems. https://www.iso.org/standard/62085.html
- Regulation (EC) No 715/2007 – Emissions from light passenger and commercial vehicles (Euro 5/6). https://eur-lex.europa.eu/
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