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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"}}
{"title":"Durable Isuzu Cars Parts FVR32 6HE1 Gasket Cylinder Head 8943963341","imgUrl":"https:\/\/img.chinax.com\/nimg\/52\/e1\/d6ef2b7634d5d277fb6272e10b8b-200x200-1\/durable_isuzu_cars_parts_fvr32_6he1_gasket_cylinder_head_8943963341.jpg","attrs":{"Brand Name":"YIMI","Model Number":"FVR32 6HE1","Place of Origin":"Made in China","Minimum Order Quantity":"5 PCS"}}
{"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"}}
The Rear Brake Wheel Cylinder with OEM numbers 8-94131651-0 (also listed as 8941316510, 94131651) and 8-97078610-0 (also listed as 8970786100) is a verified OEM-grade direct replacement for ISUZU NPR and N-Series trucks equipped with 4BD1 and 4HF1 engines. Manufactured to ISUZU's stringent OEM specifiions, this rear brake wheel cylinder is a critical component of the drum brake system that converts hydraulic pressure from the brake master cylinder into mechanical force, pushing the brake shoes against the drum to provide safe and reliable stopping power.
OEM Specifiion — Verified by ISUZU OEM part numbers 8-94131651-0, 8941316510, 8-97078610-0, and 8970786100
Cross-Brand Compatibility — Also fits Chevrolet and GMC W-Series (1987-1993)
Failure Symptoms
If your rear brake wheel cylinder is failing, you may experience one or more of the following symptoms:
Brake Fluid Leakage: Visible fluid seeping from the rear wheels or inside the brake drum
Soft or Spongy Brake Pedal: Pedal feels unusually soft or goes to the floor
Reduced Braking Performance: Vehicle takes longer to stop or requires increased pedal pressure
Uneven Braking: Vehicle pulls to one side during braking
Contaminated Brake Shoes: Brake fluid soaking into the brake shoes, causing reduced friction
⚠️ Important Safety Notice: A failing brake wheel cylinder can lead to reduced braking performance and potential brake failure. Prompt replacement is essential to maintain safe vehicle operation. For optimal performance, it is strongly recommended to replace brake wheel cylinders in pairs (both rear wheels).
Vehicle & Engine Compatibility
Primary Appliions:
Brand
Model / Chassis
Engine
Years
ISUZU
N-Series (NPR, NQR, NPR-HD)
4BD1, 4BD2, 4BE1, 4HF1
1986-1993
ISUZU
NPR59
4BD1, 4HF1
—
Chevrolet
W-Series (W3500, W4, W5500 Tiltmaster)
—
1987-1993
GMC
W-Series (W3500, W4, W5500 Forward)
—
1987-1993
Additional Compatibility:
Brand
Model
Engine
ISUZU
NKR
4BD1, 4HF1
ISUZU
NPR
4BD2 3.9L, 4HE1 4.8L, 4HK1 5.2L
⚠️ Important Compatibility Notes:
Designed for ISUZU N-Series trucks (NPR, NQR, NPR-HD) with drum brake systems
Fits rear passenger side, rearward position — verify your vehicle's configuration before ordering
Bleeder screw not included — must be transferred from the old cylinder or purchased separately
Strongly recommended to replace brake wheel cylinders in pairs (both rear wheels)
Please verify your vehicle's chassis code, production year, and VIN before ordering
Features & Benefits
OEM Specifiion — ISUZU Genuine Equivalent
Guarantees factory-fit quality and performance — verified by OEM part numbers
Precision 1-1/16" (26.99mm) Bore
Delivers consistent hydraulic pressure for reliable braking performance
High-Grade Cast Iron Construction
Provides exceptional durability and heat dissipation under demanding conditions
EPDM Rubber Cups and Boots
Delivers superior resistance to heat, corrosion, and brake fluid
Smooth Bore Finish
Ensures optimum sealing surface for pressure cups, extending component life
Direct Bolt-On Fitment
No modifiions required — engineered as a direct match for the original cylinder
100% Pressure Tested
Guarantees dependable operation and leak-free performance
100% New — No Core Charge
Guarantees zero wear, immediate braking performance, and full service life
Quality Control & Verifiion
QC Item
Verifiion Method
Dimensional Accuracy
Precision inspection to verify 1-1/16" bore diameter, M10 x 1.0 inlet threads, and mounting hole spacing
Material Composition
Cast iron analysis to verify structural integrity and heat dissipation characteristics
Bore Surface Test
100% surface testing to ensure optimum sealing surface for pressure cups
Leakage Test
100% hydraulic pressure test to guarantee zero fluid leakage under operating conditions
Rubber Component Test
EPDM material verifiion for heat and corrosion resistance
Durability Cycle Test
500+ hour fatigue testing to verify long-term reliability
Final Assembly Inspection
100% visual and functional inspection before packaging
Installation & Maintenance Recommendations
⚠️ IMPORTANT: Professional Installation Recommended
Replacing brake wheel cylinders is a critical safety procedure. It is strongly recommended to replace them in pairs.
Pre-Installation Checklist:
Safely raise the vehicle and support it on jack stands
Remove the rear wheels and brake drums to access the wheel cylinders
Bleeder screw not included — transfer the old bleeder screw or purchase a new one
Inspect brake shoes, drums, and hardware for wear — replace as necessary
Use new brake fluid (DOT 3 or DOT 4) from a sealed container
Critical: Replace wheel cylinders in pairs (both rear wheels) for balanced braking performance
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 ... 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 ...
