Rear Brake Wheel Cylinder 8-97191499-0 8971914990 For ISUZU NLR85 4JJ1T 3.0L Diesel — OEM Right Hand Drum Brake Cylinder 1" Bore
| OEM Part Number: | 8-97191499-0 / 8971914990 | Part Name: | Rear Brake Wheel Cylinder / CYLINDER, WHEEL |
| Fitting Position: | Rear Axle, Right Hand (RH) | Bore Diameter: | 1" (25.4mm) |
| Material: | High-Grade Cast Iron | Rubber Components: | High-Quality EPDM Rubber Cups And Boots |
| Vehicle Compatibility: | ISUZU NLR85 | Engine Compatibility: | ISUZU 4JJ1T 3.0L Diesel |
| Warranty: | 180 Days | Certification: | ISO9001 |
| Condition: | Brand New — 100% Quality Inspected | ||
| High Light: | ISUZU NLR85 brake wheel cylinder,OEM drum brake cylinder 1 inch,4JJ1T diesel rear brake cylinder |
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The Rear Brake Wheel Cylinder with OEM numbers 8-97191499-0 (also listed as 8971914990) and cross-referenced as DK-IS05 R is a verified direct-fit replacement for ISUZU NLR85 trucks equipped with the 4JJ1T 3.0L diesel engine.
Important Fitment Note: Part number 8-97191499-0 (DK-IS05 R) is the Right-Hand (RH) Rear Wheel Cylinder. The matching Left-Hand (LH) counterpart is 8-97191497-0 / 8971914970 (DK-IS05 RB). For balanced braking performance, it is strongly recommended to replace brake wheel cylinders in pairs (both left and right).
Verified by ISUZU OEM part numbers 8-97191499-0, 8971914990, and cross-reference DK-IS05 R
Delivers consistent hydraulic pressure for reliable braking performance
Constructed from high-grade cast iron with EPDM rubber components for superior heat and corrosion resistance
Fits ISUZU NLR85 trucks with 4JJ1T engine
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
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).
| Brand | Model | Chassis / Series | Engine | Years |
|---|---|---|---|---|
| ISUZU | NLR85 | N-Series | 4JJ1T 3.0L Diesel | 2004-2013 |
This brake wheel cylinder is specifically for the Right-Hand (RH) rear position. The Left-Hand (LH) counterpart is 8-97191497-0 / 8971914970 (DK-IS05 RB). Please verify your vehicle's chassis code, production year, and VIN before ordering.
| Feature | Benefit |
|---|---|
| OEM Specification - ISUZU Genuine Equivalent | Guarantees factory-fit quality and performance |
| Precision 1" (25.4mm) Bore | Delivers consistent hydraulic pressure for reliable braking performance |
| High-Grade Cast Iron Construction | Provides exceptional durability and heat dissipation |
| EPDM Rubber Cups and Boots | Superior resistance to heat, corrosion, and brake fluid |
| Smooth Bore Finish | Ensures optimum sealing surface for pressure cups |
| Direct Bolt-On Fitment | No modifications required |
| ISO9001 Certified | Manufactured under strict quality control standards |
| 100% New - No Core Charge | Guarantees zero wear and immediate braking performance |
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify 1" bore diameter and mounting specifications |
| Material Composition | Cast iron analysis to verify structural integrity |
| Bore Surface Test | 100% surface testing for optimum sealing |
| Leakage Test | 100% hydraulic pressure test for zero fluid leakage |
| Rubber Component Test | EPDM material verification for heat and corrosion resistance |
| Durability Cycle Test | 500+ hour fatigue testing for long-term reliability |
| Final Assembly Inspection | 100% visual and functional inspection |
Professional Installation Recommended: Replacing brake wheel cylinders is a critical safety procedure. It is strongly recommended to replace them in pairs.
- Safely raise the vehicle and support it on jack stands
- Remove the rear wheels and brake drums
- Remove the retainer springs with vice clasps from the wheel cylinder and brake shoes
- Disconnect the brake line from the old wheel cylinder
- Remove the mounting bolts securing the cylinder to the backing plate
- Remove the old cylinder and clean the backing plate thoroughly
- Install the new cylinder with NEW mounting bolts
- Torque the mounting bolts to manufacturer's specified torque settings
- Reconnect the brake line and torque to specification
- Bleed the brake system thoroughly to remove all air
- Refill with fresh DOT 3 or DOT 4 brake fluid
- Reinstall the brake drums and wheels
- Test brake pedal feel and braking performance before road test
- Inspection: Every 50,000 km / 12 months
- Fluid Replacement: Every 2 years or 40,000 km
- Replacement: Immediately if failure symptoms appear
Protective packaging
180 Days
ISO9001
1 piece
Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners.
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