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Genuine China Isuzu Quality MYY5T Transmission Assembly Gearbox Assy For ISUZU NHR/NKR/NPR/NQR/NRR 4HE1 4HF1 4HG1 4HH1 4HK1 Engine
MYY5T gearbox assembly transmission assy For ISUZU NHR/NKR/NPR/NQR/NRR 4HE1 4HF1 4HG1 4HH1 4HK1 Engine engine repair .
Description
1.Products Description
Product Name : MYY5T Gearbox /MYY5T Transmission Assembly
OE NO. : 8-97350621-0 8-97373919-0
Model Number : MYY5T
Truck Model Fit for : ISUZU NHR/NKR/NPR/NQR/NRR
Engine Model Fit for : 4HE1 4HF1 4HG1 4HH1 4HK1
Material : Aluminum
Keyword: MYY5T 5 Speed Manual Transmission
Quality: High Quality Genuine China Isuzu(Qing Ling) Quality
Packing : Wooden Case Packaging
MOQ: 1 Piece
Price: Negotiable
Place of Origin: CHINA
Certification: ISO/TS16949
Delivery Time: 5-15 Working Days
Payment Terms: T/T, Western Union, Paypal,
Warranty: 1 YEAR
Product Material
We adopt high-grade aluminum materials to achieve a lightweight design. The all-aluminum housing reduces the overall vehicle weight, improves fuel economy, and meets the compliance load requirements for blue-plate light trucks. This applies to Isuzu ELF light truck models such as the NHR, NKR, NPR, NQR NRR series (e.g. NPR75, NQR75/85, NKR85), and is compatible with engines including the 4JJ1, 4KH1, and 4HF1.
Production Introduction
The MYY5T is a 5-speed manual gearbox specifically designed by Isuzu for light-duty trucks. It is renowned for its lightweight construction, high reliability, and excellent adaptability, making it a mainstream transmission option for Isuzu ELF series light trucks and domestic joint-venture light commercial vehicles. Targeting medium-short distance transportation scenarios such as urban distribution and cold chain logistics, this gearbox perfectly matches Isuzu's 4J/4H series diesel engines, delivering stable performance in high-frequency start-stop and medium-low load working conditions.
Production Core Specifications & Dimensions
|
Item |
Details |
|---|---|
|
Type |
5-speed manual (with 1 reverse gear), mechanical control, optional PTO interface |
|
Housing Material |
Full aluminum alloy, lightweight design, reducing weight by approximately 30% compared to old cast iron versions |
|
Input Torque Capacity |
350-380N·m, compatible with 2.8-3.0L diesel engines |
|
Gear Ratios |
1st: 5.315; 2nd: 3.053; 3rd: 1.655; 4th: 1.000; 5th: 0.721; Reverse: 5.068 |
|
OE Numbers |
8973739190, 8-97350621-0, 8-97326588-0 |
|
Net Weight |
Approx. 80kg (aluminum housing assembly) |

Compatible Vehicles
Isuzu ELF Light Trucks: NHR, NKR, NPR, NQR, NRRseries (e.g. NPR75, NQR75/85, NKR85).
Domestic Joint-Venture Light Trucks: Qingling Isuzu KV100, M-series light trucks ; some JMC Kairei models (needing clutch housing matching).
Structural & Performance Advantages
1. Lightweight & Fuel Efficiency
2. High Reliability & Durability
3. Strong Adaptability





2.comparison of product parameters
MYY5T Gearbox comparison with MYY6S Gearbox
|
Parameter |
MYY5T |
MYY6S |
|
Number of Gears |
5-speed manual |
6-speed AMT |
|
Input Torque Capacity |
350-380N·m |
420-450N·m |
|
Core Advantage |
Cost-effective, easy maintenance |
High-speed fuel saving, comfortable shifting |
|
Applicable Scenarios |
Medium-short distance, medium-low load |
Long-distance highway, heavy load |
3.Why Choose us to buy gearbox Assembly?
1.Founded in 1997, Chongqing Guanglian Qingling Auto Parts Co., Ltd,We mainyl focus on one-stop ISUZU truck spares over 29 years . Including ISUZU original and Non-orginal (Afer market ) ,new and used ,big and small spare parts. Such as MYY5T/MYY6S gearbox assy, engine assy ,ect.
2. As the sole authorized company by China ISUZU (Qingling in China), we sell genuine China Isuzu Quality MYY5T transmissions with assured quality.
3. Our sales team possesses extensive experience in foreign trade and has profound expertise in both international trade procedures and ISUZU products.
4. Which vehicle models is the MYY5T transmission compatible with? Our team can provide you with professional answers.
5. Contact us, and we can provide the testing and installation video for the MYY5T gearbox assy.
6. Worry-free after-sales service. One-year warranty. If any product issues arise, our dedicated after-sales technicians will contact you.
7. The price for the MYY5T transmission is subject to negotiation and varies according to the minimum order quantity (MOQ) .
8. We supply not only complete MYY5T, MYY6S, and MLD6Q transmission assemblies but also their corresponding parts.
4.FAQ About mYY5T gearbox
Q1: What's Troubleshooting related to MYY5T gearbox assembly ?
A: Common issues such as difficult shifting and abnormal noise are mostly related to clutch disengagement failure, synchronizer wear, or gear oil deterioration, requiring timely inspection and repair.
Q2: What is the Maintenance Guidelines of this transmission assy ?
A: Gear Oil Specification: Recommend SAE 80W-90 GL-4; replacement cycle is approximately 60,000km or 2 years.
Clutch Matching: Must match the clutch pressure plate and driven disc corresponding to the engine to avoid slipping or incomplete disengagement.
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