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Rear Brake Wheel Cylinder R 8-97139822-0 For Isuzu NKR NPR 4BD1 4HF1 8971398220
Product Overview
The Rear Brake Wheel Cylinder (Right) with OEM numbers 8-97139822-0 / 8971398220 is a premium-quality hydraulic component designed as a direct replacement for the rear drum brake system of Isuzu NKR and NPR series medium-duty trucks equipped with 4BD1 or 4HF1 diesel engines.
Part Number
8-97139822-0, 8971398220
Product Name
Rear Brake Wheel Cylinder (Right) / Brake Slave Cylinder R
Car Model
ISUZU NKR, NPR (NKR55, NPR59, NPR66, etc.)
Engine Model
ISUZU 4BD1 (3.9L), 4HF1 (3.9L) Diesel
Condition
100% Brand New
Material
High-strength aluminum alloy & precision bearings
Key Features & Advantages
OE Quality: Manufactured to Isuzu dimensional and material specifiions for perfect fit and reliable braking
Right Side Specific: Precisely engineered for the right rear wheel position
Precision-Machined Bore: Smooth honed cylinder bore ensures consistent piston movement and long seal life
Corrosion-Resistant: Body with anti-corrosion treatment for durability
High-Quality Rubber Seals: EPDM cups and seals resist DOT 3/DOT 4 brake fluid, heat, and aging
Dust Boot Included: Protects the bore from dirt and moisture
Leak-Tested: Each cylinder is hydraulically tested for leakage before packaging
Cost-Effective: Affordable alternative to genuine OEM without compromising safety
Vehicle & Engine Compatibility
This rear brake wheel cylinder (right side) is specifically designed for Isuzu NKR and NPR trucks with 4BD1 or 4HF1 engines.
Typical installation steps for rear wheel cylinder replacement:
Safely lift and support the vehicle - remove the right rear wheel and brake drum
Clean the brake assembly - use brake cleaner to remove dust and debris
Disconnect the brake line - from the back of the old wheel cylinder using a flare nut wrench. Cap the line
Remove the old wheel cylinder - unbolt the two mounting bolts from the backing plate
Clean the backing plate mounting surface - remove old gasket/sealant
Compare new cylinder with old - verify bore size, bolt spacing, and port orientation
Install new wheel cylinder - apply a thin film of brake grease to the mounting flange. Bolt to backing plate. Torque bolts to specifiion (typically 10-15 Nm)
Reconnect the brake line - hand-start, then tighten with flare nut wrench. Do not cross-thread
Reinstall brake shoes and hardware - ensure pushrods engage properly
Reinstall brake drum and wheel - adjust shoes if needed
Bleed the brake system - start from the wheel farthest from the master cylinder
Check for leaks - inspect the new cylinder and line fitting
Test drive - ensure proper braking and no pulling
Quality Control
Material Verifiion: Body alloy and seal compound tested
Dimensional Inspection: Bore diameter, bolt hole spacing, and thread pitch verified against OE samples
Leak Test (Hydraulic): Each cylinder pressurized to ensure no internal or external leakage
Piston Movement Test: Smooth operation confirmed over full stroke
Thread Inspection: Inlet and bleeder threads checked with GO/NO-GO gauges
Visual Inspection: 100% checked for casting defects, scratches, or damaged ports
Packaged Safely: Cylinder sealed in plastic bag, boxed with foam protection
Packaging and Delivery
Neutral export packing or customized packaging available
Carton or wooden case for safe transportation
Fast delivery for stock items
Shipping by Express Air or Sea
Inquiry
For pricing, availability, or bulk purchase of the Rear Brake Wheel Cylinder R 8-97139822-0 For Isuzu NKR NPR 4BD1 4HF1 8971398220, please contact our sales team for a competitive 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 ... 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 ...
