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{"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"}}
Front Cab Mounting Bracket Rubber Bushing 8-97201839-3 8972018393 For ISUZU NPR NQR NKR NKS 4HG1
Product Overview
OEM Verified Direct Fit, Heavy-Duty Cab Suspension Cushion manufactured in Japan to ISUZU specifications. This critical component isolates the driver cab from chassis vibration, absorbs road shock, and maintains proper cab-to-frame alignment.
OEM Cross-Reference Verified: Replaces multiple part numbers including 8-97201839-3, 8972018393, and related variants
Vehicle Application Verified: Specifically designed for ISUZU NPR, NQR, NKR, and NKS truck models with 4HG1 diesel engine
Origin & Quality: Manufactured in Japan with ISUZU OEM specification compliance
Installation Success Rate: Direct bolt-on fitment with factory cab mounting hardware
Failure Symptoms & Replacement Indicators
Clunking or knocking noise when accelerating, braking, or driving over bumps
Excessive cabin vibration felt through floor, seats, and steering wheel
Cab misalignment with uneven gaps between cab and frame
Visible rubber degradation including cracks, swelling, or oil contamination
Increased noise over bumps with creaking or squeaking sounds
Loose or damaged mounting hardware from uneven load distribution
Product Specifications
Part Number
8-97201839-3 8972018393
Product Name
Front Cab Mounting Bracket Rubber Bushing
Car Model
ISUZU NPR NQR NKR NKS
Engine Model
ISUZU 4HG1
Condition
100% Brand New
Origin
China Mainland
Vehicle & Engine Compatibility
Brand
Model / Series
Engine
Position
ISUZU
NPR
4HG1
Front Cab Mount
ISUZU
NQR
4HG1
Front Cab Mount
ISUZU
NKR
4HG1
Front Cab Mount
ISUZU
NKS
4HG1
Front Cab Mount
Important Fitment Notes: This bushing is designed for front cab mounting position. ISUZU recommends replacing cab mount cushions in complete sets for consistent stiffness and even load distribution.
Features & Benefits
Japan-manufactured rubber compound
Consistent material quality and durability with ISUZU OEM specification compliance
Direct OEM replacement
Bolt-on fitment with factory mounting brackets and hardware
Heavy-duty vulcanized construction
Withstands continuous load, vibration, and temperature cycling
Multi-model compatibility
One part covers NPR, NQR, NKR, and NKS platforms
Complete cross-reference coverage
Replaces three generations of part numbers
12-month warranty
Backed by comprehensive warranty against manufacturing defects
Quality Control & Verification
QC Item
Verification Method
Rubber hardness
Shore A durometer testing
Compression set resistance
ASTM D395 compression set test
Tensile strength
ASTM D412 tensile test
Bond integrity
Visual and pull-out test
Dimensional accuracy
Gauge inspection against OEM drawing
Age resistance
Ozone and heat aging test
Surface finish
Visual inspection for defects
Each unit undergoes 100% quality inspection before packaging. Manufactured in Japan to ISUZU OEM specification standards.
Installation & Maintenance
IMPORTANT: Professional installation strongly recommended. Cab mounting systems support entire cab weight - improper installation can result in cab detachment, serious injury, or death. Always support cab safely before removing any mounting hardware.
Installation Guidelines:
Support the cab with jack or crane before loosening mounting bolts
Remove mounting hardware and note orientation of existing components
Extract worn rubber bushing and inspect bracket for damage
Clean mating surfaces of dirt, rust, and debris
Position new rubber bushing with correct orientation
Reassemble washers and spacers in original order
Torque mounting bolts to ISUZU workshop manual specification
Lower cab and verify proper alignment
Maintenance Schedule: Inspect cab mounting bushings every 40,000-50,000 km or annually. Replace immediately if symptoms detected. Consider replacing complete set for even load distribution.
Packaging & Supply
Standard packing: Protective packaging in corrugated carton; wooden pallet available for bulk orders
Package contents: 1 × Front Cab Mounting Bracket Rubber Bushing
Delivery time: 1-3 working days for in-stock items
Suitable for: Truck repair workshops, fleet maintenance, spare parts distributors
Related parts available: Complete cab mount bushing sets, mounting brackets, hardware kits
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 ...