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Rear Hub Bolt Right Hand 9-42330084-0 9423300840 For ISUZU FTR/FVZ/FVR/Forward 6HK1 6HE1 7.8L/6.5L Diesel — OEM M22x1.5 Wheel Stud With Nut
Product Overview
The Rear Hub Bolt (Wheel Stud) with OEM number 9-42330084-0 (also listed as 9423300840) is a verified OEM-grade direct replacement for ISUZU FTR, FVZ, FVR, and Forward series heavy-duty trucks. This right-hand rear hub bolt is a critical component of the wheel hub assembly, responsible for securing the wheel to the hub under the extreme torque, shear, and fatigue forces of commercial vehicle operation.
CRITICAL FITMENT NOTE: This is the Right-Hand (RH) rear hub bolt. The Left-Hand (LH) counterpart is typically 9-42330083-0 / 9423300830. ISUZU FTR service manuals specify that all wheel bolts on both sides have right-hand screw threads — confirm the correct part number for your specific axle configuration before ordering.
OEM Specification — Verified by ISUZU OEM part number 9-42330084-0 and 9423300840
Visible Thread Damage or Stretching: Stripped threads, necking, or visible deformation
Wheel Wobble: Excessive play or wobbling when the wheel is jacked up and rocked
Bolt Breakage: In severe cases, a bolt may shear off completely
⚠️ SAFETY WARNING: A failing hub bolt is a serious safety hazard that can lead to wheel separation and loss of vehicle control. Prompt replacement is essential. Always replace hub bolts in complete sets and never re-use damaged or stretched bolts.
Vehicle & Engine Compatibility
Brand
Model
Chassis / Series
Engine
Notes
ISUZU
FTR
F-Series (Forward)
6HK1, 6HE1
Rear axle
ISUZU
FVZ
F-Series
6HK1
Rear axle
ISUZU
FVR
F-Series
6HK1
Rear axle
ISUZU
Forward
F-Series
6HE1, 6BG1
Rear axle
ISUZU
FSR
F-Series
6HE1, 6BG1
Compatible
Important Notes:
This hub bolt is designed for ISUZU FTR, FVZ, FVR, and Forward series heavy-duty trucks
Thread Note: ISUZU FTR service manuals state that all wheel bolts on both sides have right-hand screw threads
Quantity Required: Typically 10 per rear wheel (10-stud configuration on FTR/FVZ rear axles)
Diameter Wear Limit: Replace the bolt if diameter has been reduced to 21.5 mm (0.85 in) from the original 22 mm (0.87 in)
Please verify your vehicle's chassis code, production year, and VIN before ordering
Features & Benefits
Feature
Benefit + Verification Signal
OEM Specification — ISUZU Genuine Equivalent
Guarantees factory-fit quality and performance — verified by ISUZU OEM part number 9-42330084-0
Precision M22 ×1.5 Thread
Ensures accurate thread engagement and consistent clamping force — verified by OEM specification and service manual data
Grade 10.9 Alloy Steel Construction
Withstands the extreme torque and shear forces of heavy-duty commercial truck wheel assemblies — verified by industry-standard material specification
Corrosion-Resistant Coating
Protects against rust and environmental degradation for long-term reliability
Rear Right-Hand (RH) Specific Design
Precisely engineered for the rear right wheel position on ISUZU FTR/FVZ/Forward trucks
Direct Fitment
No modifications required — engineered as a direct match for the original bolt
100% New — No Core Charge
Guarantees zero wear, immediate wheel securing performance, and full service life — no core deposit required
Quality Control & Verification
Our manufacturing and inspection processes ensure every hub bolt meets or exceeds ISUZU OEM standards.
QC Item
Verification Method
Dimensional Accuracy
Precision inspection to verify M22×1.5 thread pitch, bolt diameter (22mm), and length match OE blueprint specifications
Material Composition
Grade 10.9 alloy steel analysis to verify tensile strength and hardenability
Tensile Strength Test
100% load testing to verify bolt withstands specified torque and shear forces without deformation
Thread Integrity Test
Thread gauge inspection to verify correct pitch (1.5mm), diameter, and class of fit
Surface Coating Inspection
Zinc or phosphate coating verification for corrosion resistance
Final Assembly Inspection
100% visual and dimensional inspection before packaging
Installation & Maintenance Recommendations
⚠️ IMPORTANT: Professional Installation Recommended
Hub bolt replacement requires proper tools, correct torque specifications, and adherence to safety procedures.
Pre-Installation Checklist
CRITICAL: Confirm this is the Rear Right-Hand (RH) bolt — verify the correct part number for your axle configuration
Measure bolt diameter: Replace if reduced to 21.5 mm (0.85 in) or less from the original 22 mm (0.87 in)
Always replace hub bolts in complete sets — never mix new and old bolts on the same wheel
Inspect the wheel hub for damage, corrosion, or elongated stud holes — replace if necessary
Clean the hub mounting surface and bolt holes thoroughly
Safety First: Ensure the vehicle is securely supported on jack stands. Never work under a vehicle supported only by a jack
Installation Guidelines
(Reference ISUZU workshop manual):
Safely raise the vehicle and support it on jack stands
Remove the wheel and brake drum/rotor to access the hub
Remove the old hub bolts using a hydraulic press or bolt removal tool
Clean the bolt holes in the hub thoroughly
CRITICAL: Install the new bolts by pressing them into the hub from the rear — ensure the knurled shoulder seats fully
CRITICAL: Lubricate the threads lightly with engine oil, gear oil, or chassis grease before installing the wheel nuts
CRITICAL: Torque the wheel nuts to manufacturer's specified torque settings in a star pattern
Recheck torque after 50-100 km of driving
Maintenance Schedule
Inspection: Every 50,000 km / 12 months, or at every tire rotation. Check for loose nuts, visible cracks, thread damage, or diameter reduction
Replacement: Immediately if any bolt shows signs of stretching, cracking, thread damage, or diameter reduction below the minimum specification. Always replace in complete sets
Note: Never re-use hub bolts that have been subjected to excessive heat or impact. Replace bolts whenever the hub is serviced
Packaging & Supply
Packaging: Each hub bolt is securely packed in a neutral box, color box, or customer brand package
Pack Quantity: 1 PC (or sold in sets — specify quantity required)
Payment Terms: T/T, Western Union
Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners
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 ...