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Exhaust Brake Unit 8-97102372-4 8971023724 For ISUZU NKR 4JB1T Engine
The Exhaust Brake Unit (OEM Numbers: 8-97102372-4 / 8971023724) is a premium-quality, direct replacement engine braking component designed specifically for ISUZU NKR series light-duty trucks equipped with 4JB1T turbo diesel engines.
Product Specifications
Part Number
8-97102372-4, 8971023724
Product Name
Exhaust Brake Unit / Exhaust Brake / Auxiliary Brake
Car Model
ISUZU NKR Series (also NK model)
Engine Model
ISUZU 4JB1T (2.8L Turbo) Diesel Engine
Condition
100% Brand New
Material
High-strength aluminum alloy & precision bearings
Cooling Type
Engine coolant circulation
Warranty
6 Months
Features & Advantages
OE Quality: Manufactured to strict ISUZU dimensional and material specifications for perfect fit and function
Superior Engine Braking: Restricts exhaust flow to provide powerful auxiliary braking on descents, reducing service brake wear
Enhanced Vehicle Safety: Reduces risk of brake fade on long downhill grades, improving driver control
Extends Brake Life: Minimizes use of service brakes, extending the life of brake linings and drums
Durable Construction: Cast iron housing and heat-resistant valve withstand extreme exhaust temperatures
Direct Replacement: Matches OE unit mounting and connection points for simple installation
Improves Fuel Efficiency: Proper exhaust braking can reduce the need for downshifting and heavy throttle application
Vehicle & Engine Compatibility
This exhaust brake unit is specifically designed for ISUZU light-duty trucks and commercial vehicles. Common applications include:
ISUZU NKR (Light-Duty Trucks)
ISUZU 4JB1T Engine Specifications:
4-Cylinder, Inline Turbo Diesel
Displacement: 2.8L
Valvetrain: OHV
Installation Notes
Professional mechanic or diesel specialist installation recommended:
Ensure exhaust system is cool - Never work on exhaust components when the engine has been running
Locate the exhaust brake unit - Typically installed in the exhaust pipe between the turbocharger outlet and the muffler
Remove the old unit - Unbolt the exhaust brake unit from the exhaust pipe flanges; remove any mounting brackets
Inspect exhaust pipes - Check the connecting exhaust pipes for damage, corrosion, or misalignment
Clean flange surfaces - Remove all old gasket material and debris from the flange mating surfaces
Install new gaskets - Position new exhaust gaskets on both flange connections (if applicable)
Mount the new unit - Position the new exhaust brake unit between the exhaust pipe sections; align the flanges
Install mounting bolts - Hand-start all flange bolts; do not fully tighten yet
Secure mounting brackets - Attach any support brackets or braces to ensure proper alignment
Torque flange bolts - Tighten all flange bolts evenly to manufacturer torque specifications
Connect actuator lines - Reconnect the pneumatic/vacuum actuation line to the actuator; ensure a secure connection
Check electrical connections - If the unit has electrical components, ensure proper connection
Inspect clearance - Verify no components contact wiring, fuel lines, or other sensitive parts
Test operation - Start the engine; engage the exhaust brake; verify proper valve movement and braking effect
Check for leaks - Inspect all exhaust connections for leaks while the engine is running
Road test - Test the exhaust brake operation on a safe downhill grade or under load
Quality Control
Material Verification: Confirms housing and valve materials meet high-temperature and corrosion resistance specifications
Valve Operation Testing: Each unit tested for smooth valve actuation and proper sealing
Actuator Performance Test: Actuator movement and response verified to ensure consistent operation
Dimensional Inspection: Flange spacing, mounting points, and overall dimensions verified for exact fit
Pressure/Leak Testing: Unit tested for exhaust gas sealing integrity
Visual Inspection: 100% checked for casting defects, machining flaws, or surface imperfections
Packaged Safely: Protected and packaged to prevent damage during transit
Inquiry
For pricing, availability, or bulk purchase of the Exhaust Brake Unit 8-97102372-4 8971023724 For ISUZU NKR 4JB1T Engine ISUZU Truck Parts, 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 ...
