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Inter Rocker Shaft Bracket 8-97174566-0 / 8-97174568-0 For Isuzu 4HF1 4HG1T
Premium-quality direct replacement valvetrain components designed for Isuzu 4HF1 and 4HG1T diesel engines.
Product Overview
Function: Supports the rocker arm shaft assembly between cylinder head pedestals, ensuring proper alignment and rigidity for valvetrain operation. Reduces vibration and prevents shaft deflection.
Inter Rocker Shaft Bracket / Rocker Shaft Support / Intermediate Pedestal
Car Model
ISUZU NKR, NPR (with 4HF1, 4HG1T engines)
Engine Model
ISUZU 4HF1 (3.9L), 4HG1T (4.3L turbo)
Condition
100% Brand New
Material
High-strength aluminum alloy & precision bearings
Quality Standard
OEM equivalent / ISO quality control
Features & Advantages
OE Quality: Manufactured to Isuzu dimensional and material specifications
Rigid Construction: Resists flexing under high spring loads
Precision Machined: Accurate shaft bore and bolt hole alignment
Corrosion Resistant: Coated to resist rust and oil degradation
Restores Valvetrain Stability: Eliminates shaft deflection, reducing noise and wear
Direct Replacement: Simple bolt-on installation using original hardware
Sold as a Set: Both brackets included for complete replacement
Cost-Effective: Affordable alternative to genuine OEM brackets
Vehicle & Engine Compatibility
Isuzu Truck Models:
ISUZU NKR (NKR55, NKR57, NKR59, NKR71 with 4HF1/4HG1T)
ISUZU NPR (NPR59, NPR66, NPR70, NPR71, NPR75 with 4HF1/4HG1T)
Engine Specifications:
Engine
Displacement
Notes
4HF1
3.9L (3856cc)
Direct injection, naturally aspirated
4HG1T
4.3L (4330cc)
Turbocharged
Installation Notes
Installation steps (overview):
Remove valve cover and rocker arm shaft assembly
Remove the old inter rocker shaft brackets from the cylinder head
Clean the cylinder head mounting surface and bolt holes
Compare new brackets with old - verify orientation and position
Apply thread locker to bolts (if specified)
Position the new brackets and hand-tighten bolts
Install the rocker arm shaft assembly and torque bracket bolts in sequence to specification (typically 25-35 Nm)
Reinstall rocker arms, adjust valve lash
Install new valve cover gasket and reassemble
Start engine and check for abnormal noise
Quality Control
Material Verification: Casting alloy composition and strength tested
Dimensional Inspection: Shaft bore diameter, bolt hole spacing, and height verified against OE blueprints
Hardness Testing: Within specified range
Visual Inspection: 100% checked for casting defects, cracks, or machining errors
Packaged Safely: Wrapped in protective plastic, boxed as a set with foam
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 Inter Rocker Shaft Bracket 8-97174566-0 / 8-97174568-0 For Isuzu 4HF1 4HG1T, 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 automotiv... 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 automotiv...