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{"title":"ISUZU 700P 4HG1T 4HK1T TIMING GEAR 8971200050 1005220-P301","imgUrl":"https:\/\/img.chinax.com\/nimg\/71\/24\/55b57067e5737ee6caf41aa4d9e5-200x200-1\/isuzu_700p_4hg1t_4hk1t_timing_gear_8971200050_1005220_p301.jpg","attrs":{"Model Number":"700P 4HG1T 4HK1T","Place of Origin":"Made in China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
{"title":"ISUZU NPR 4HG1 TURBO CHARGER ASM 8973267520 704136-0003 8972083520","imgUrl":"https:\/\/img.chinax.com\/nimg\/49\/ea\/f9c869f0e686c77a889c17a84b86-200x200-1\/isuzu_npr_4hg1_turbo_charger_asm_8973267520_704136_0003_8972083520.jpg","attrs":{"Model Number":"NPR 4HG1","Place of Origin":"Made in China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
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{"title":"BL0CK ASM CYL NPR 4HG1 4HG1-T 4HF1 8982045330","imgUrl":"https:\/\/img.chinax.com\/nimg\/b5\/65\/486b19b43672c3be4efdee332582-200x200-1\/bl0ck_asm_cyl_npr_4hg1_4hg1_t_4hf1_8982045330.jpg","attrs":{"Model Number":"NPR 4HG1 4HG1T 4HF1","Place of Origin":"China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
{"title":"NPR 700P 4HK1 TURBO CHARGE 8980000311 8970786400","imgUrl":"https:\/\/img.chinax.com\/nimg\/bf\/e4\/ab2ffd604bc21336062bab1561b6-200x200-1\/npr_700p_4hk1_turbo_charge_8980000311_8970786400.jpg","attrs":{"Model Number":"NPR 700P 4HK1","Place of Origin":"China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
{"title":"NPR 4BD2 3.9L CYLINDER HEAD 8971030270","imgUrl":"https:\/\/img.chinax.com\/nimg\/c0\/a8\/bc770a27bfb7fb839df3007b51a1-200x200-1\/npr_4bd2_3_9l_cylinder_head_8971030270.jpg","attrs":{"Model Number":"NPR 4BD2","Place of Origin":"China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
ISUZU 1-33265619-0 1332656190 Synchronizer For FRR 6HK1 MLD6Q 3rd/4th Gear
A precision-engineered synchronizer assembly that equalizes the rotational speed between the transmission gear and output shaft, enabling smooth, noiseless shifting into 3rd and 4th gears in ISUZU MLD6Q 6‑speed manual transmissions.
The Synchronizer Assembly (OEM Numbers: 1-33265619-0 / 1332656190) is a premium‑quality, direct replacement component engineered specifically for the 3rd and 4th gears in ISUZU MLD6Q 6‑speed manual transmissions, the heavy‑duty gearbox found in ISUZU FRR, FVR, FSR, FTR, and NPR/NQR medium and heavy‑duty trucks powered by the 6HK1, 6HE1, 6HH1, and 4HK1 diesel engines.
This synchronizer is the heart of the gear selection process. Every time the driver shifts between 3rd and 4th gear, the synchronizer performs two critical jobs: it uses friction to accelerate or decelerate the gear to match the output shaft speed, then it locks the gear to the shaft. A worn or damaged synchronizer will cause gear clash, grinding noises, difficult shifting, and transmission popping out of gear – all of which are serious drivability issues in commercial trucks.
Part Number:
1-33265619-0 1332656190
Product Name:
Synchronizer
Car Model:
Isuzu FRR
Engine Model:
Isuzu 6HK1
Condition:
100% Brand New
Size:
Standard
Weight:
Standard
Origin:
China Mainland
Main Market:
Middle East, Asia, Africa, South America, North America & Europe
Package:
Neutral Packing Or Make It As Requested
Material:
High-strength aluminum alloy & precision bearings
Cooling Type:
Engine coolant circulation
Installation:
Direct OEM replacement
Quality Standard:
OEM equivalent / ISO quality control
Features & Advantages
OE Quality: Manufactured to strict ISUZU OEM dimensional and material standards for a perfect, direct‑fit replacement
42‑Tooth Configuration (Z = 42): Ensures proper engagement with the mating gear for effective speed synchronization
Precision‑Machined Friction Cone: Precision‑ground cone surface for maximum friction contact and reduced shift effort
High‑Strength Steel Construction: Case‑hardened alloy steel with induction‑hardened splines for high torque resistance
Cross‑Compatibility: Fully interchangeable with multiple OE part numbers
Restores Factory Shifting Feel: Eliminates grinding, hard shifting, and gear popping issues
Direct Replacement: Simple press‑fit installation with no modifications required
12‑Month Warranty: Backed by manufacturer batch traceability and comprehensive warranty
Quality Control
Material Verification: Alloy steel composition, hardness, and tensile strength tested to meet JIS/SAE standards
Dimensional Accuracy: Critical dimensions verified against OE blueprints using CMM equipment
Spline Profile Inspection: Internal and external splines inspected for correct tooth profile and geometry
Friction Cone Surface Finish: Cone surface inspected for optimal micro‑finish and friction coefficient
Heat Treatment Validation: Induction case depth verified by micro‑sectioning sample parts
Spring Tension Test: Synchronizer springs tested for consistent preload and detent force
ISO 9001:2015 / IATF 16949 Certified: Facility meets international automotive quality standards
Visual Inspection: 100% inspected for defects, cracks, burrs, and spline damage
Packaging & Supply
Each synchronizer is anti‑corrosion oil‑coated, individually sealed in moisture‑barrier VCI bags, and boxed with OE‑style part labeling. Available for wholesale/bulk orders with case packs (5, 10, 20, 50 units) and pallet pricing for volume orders. Custom packaging and private labeling available for volume wholesale orders.
Inquiry
For pricing, availability, or bulk purchase of the ISUZU Synchronizer 1-33265619-0 (1332656190) for 6HK1, 4HK1, 6HE1 engines, and FRR, FVR, FSR, FTR, NPR, NQR trucks with MLD6Q / MLD7R transmissions, please contact our sales team for a competitive wholesale quote and expert technical support.
Yimi(Guangzhou) Automotive Parts Co,Ltd
located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality automotiv... Yimi(Guangzhou) Automotive Parts Co,Ltd
located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality automotiv...
