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The Clutch Pressure Plate Assembly (Clutch Cover Assembly) with OEM numbers 1-31220-166-0 / 1-31220166-0 / 1312201660 (alternate 1-31220-166-1 / 1312201661, 1312201662) is a verified direct-fit replacement for ISUZU FVR, FSR11K, FRR33 series trucks equipped with 6D15 diesel engines. This pressure plate assembly is a critical clamping component of the clutch assembly, responsible for firmly pressing the clutch disc against the flywheel in the engaged state to transmit engine torque.
How It Works
The clutch pressure plate assembly is mounted on the engine flywheel, consisting of a pressure plate, diaphragm spring, and clutch cover. When the clutch is engaged, the diaphragm spring presses the pressure plate against the clutch disc, bringing the disc into firm contact with the flywheel, transmitting engine torque through flywheel → clutch disc → transmission input shaft. When the driver depresses the clutch pedal, the release bearing pushes the center of the diaphragm spring, moving the pressure plate away from the clutch disc, cutting power transmission to allow gear shifting. The pressure plate assembly withstands the full engine torque and the thermal and mechanical loads from frequent clutch operation.
Failure Symptoms
Replace immediately if any of these symptoms occur:
Clutch Slippage — Engine RPM rises but vehicle speed does not increase during acceleration; poor hill climbing (reduced spring force or worn friction surface)
Clutch Drag — Difficulty shifting gears; gear grinding (deformed diaphragm spring or warped pressure plate)
Clutch Noise — Abnormal noise when pressing or releasing the clutch pedal (damaged pressure plate bearing or release mechanism)
Juddering During Takeoff — Vehicle shakes noticeably during launch (uneven or heat-distorted pressure plate friction surface)
Heavy Clutch Pedal — Pedal effort noticeably increased (aged diaphragm spring or binding release mechanism)
Clutch Burn Marks — Burn spots, cracks, or discoloration on pressure plate friction surface (overheating from prolonged slippage)
Verified Specifications
✅Pressure Plate Outer Diameter: 325mm — exact match for ISUZU FSR11K/FRR33 clutch assembly specifications
✅Material: High-strength cast iron pressure plate + premium alloy steel diaphragm spring — heat-resistant, wear-resistant, fatigue-resistant
✅100% Factory Tested: Every pressure plate assembly undergoes spring force testing, dynamic balance testing, and dimensional accuracy inspection
Part Number:
1-31220-166-0 1312201660
Product Name:
Clutch Pressure Plate
Car Model:
FVR FSR11K FRR33
Engine Model:
6D15
Condition:
100% Brand New
Size:
Standard
Weight:
Standard
Origin:
China Mainland
Main Market:
Middle East, Asia, Africa, South America, North America & Europe
Package:
Neutral Packing Or Make It As Requested
Material:
High-strength aluminum alloy & precision bearings
Cooling Type:
Engine coolant circulation
Installation:
Direct OEM replacement
Quality Standard:
OEM equivalent / ISO quality control
Vehicle & Engine Compatibility
Primary Applications:
Brand
Model/Chassis
Engine
Years
Notes
ISUZU
FVR
6D15 / 6HH1
—
Primary fitment
ISUZU
FSR11K
6D15 / 6BD1
1986–1989
Primary fitment
ISUZU
FRR33
6D15 / 6HH1
1996–2003
Primary fitment
ISUZU
FSR12
6BG1
1989–1990
Compatible fitment
ISUZU
FTR11
6BD1
1985–1989
Compatible fitment
Detailed Engine Compatibility:
Engine Model
Displacement
Description
6D15
—
6-cylinder diesel engine
6HH1
—
6-cylinder diesel engine
6BD1
5.8L
6-cylinder diesel engine
6BG1
6.5L
6-cylinder diesel engine
6HE1
7.1L
6-cylinder diesel engine
Important Notes:
The clutch pressure plate assembly is a critical component of the clutch system — failure causes power transmission interruption and shifting difficulty
Recommended to replace clutch disc and release bearing simultaneously — replace all three clutch kit components together
Use a clutch alignment tool during installation to ensure precise centering of the clutch disc with the pressure plate
Adjust clutch pedal free play to specification after installation
For 100% accurate fitment, please provide VIN (Chassis Number) or chassis code
Features & Benefits
Feature
Benefit + Verification Signal
325mm Large Diameter Pressure Plate
Provides larger clamping area and torque capacity for 6D15 engine high-torque output — 325mm standard specification, exact match for ISUZU FSR11K/FRR33
High-Strength Cast Iron Pressure Plate
Excellent heat resistance and wear resistance for frequent clutch operation — cast iron construction ensures long-term reliability
Premium Alloy Steel Diaphragm Spring
Provides stable clamping force and comfortable pedal feel — alloy steel resists fatigue and high temperatures
Direct OE Fit Replacement
No modification needed for quick installation — exact match to ISUZU FVR/FSR11K/FRR33 OEM specifications
CE Certified
Meets international safety standards — quality assured
Multiple OE Cross-References
Interchangeable with 1-31220-166-1, 1312201661, 1312201662 — flexible sourcing
Broad Compatibility
Fits ISUZU 6D15/6HH1/6BD1/6BG1/6HE1 engines and FVR/FSR11K/FRR33/FSR12/FTR11 models
1-Year Warranty
Peace of mind on manufacturing defects — free replacement within warranty period
Quality Control & Verification
QC Item
Verification Method
Standard
Pressure Plate OD (325mm)
Precision gauge
±0.5mm tolerance
Pressure Plate Flatness
Surface plate inspection
Meets OEM flatness standard
Spring Force Test
Spring test bench
Meets OEM spring force standard
Dynamic Balance Test
Dynamic balancing machine
Meets OEM balance specifications
Material Composition
Spectrographic analysis
Meets cast iron/alloy steel standard
Visual Inspection
100% visual inspection
No cracks, deformation, or surface defects
Installation & Maintenance
IMPORTANT: The clutch pressure plate assembly is a critical component of the clutch system — failure causes power transmission interruption and shifting difficulty. Improper installation may cause clutch slippage, clutch drag, or juddering during takeoff. Installation should be performed by qualified professionals using a clutch alignment tool.
Installation Guidelines (Refer to workshop manual):
Safety Prep — Disconnect battery negative terminal; lift and securely support the vehicle
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 ...
