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{"title":"ISUZU TFR68 69 ENGINE MOUNTING R 8970391890","imgUrl":"https:\/\/img.chinax.com\/nimg\/7b\/f1\/8998370f517b467e4c20c8df2ac9-200x200-1\/isuzu_tfr68_69_engine_mounting_r_8970391890.jpg","attrs":{"Model Number":"TFR68 69","Place of Origin":"Made in China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
{"title":"ISUZU TFR68 69 RUBBER ENG FOO L 5876101930 8970860761","imgUrl":"https:\/\/img.chinax.com\/nimg\/68\/26\/7c7f4c50909a3695c90b2db58900-200x200-1\/isuzu_tfr68_69_rubber_eng_foo_l_5876101930_8970860761.jpg","attrs":{"Model Number":"TFR68 69","Place of Origin":"Made in China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
{"title":"ISUZU DMAX 4JA1 T H1 GEAR TIMING 52 8979427551","imgUrl":"https:\/\/img.chinax.com\/nimg\/dc\/8f\/faca408a6e5c150d63ac2adb933f-200x200-1\/isuzu_dmax_4ja1_t_h1_gear_timing_52_8979427551.jpg","attrs":{"Model Number":"DMAX 4JA1 T H1","Place of Origin":"Made in China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
{"title":"ISUZU NHR 4JA1 DMAX CRANKSHAFT 8944552401","imgUrl":"https:\/\/img.chinax.com\/nimg\/e2\/3f\/ae38ad12211136e0e8ec331c8536-200x200-1\/isuzu_nhr_4ja1_dmax_crankshaft_8944552401.jpg","attrs":{"Brand Name":"YIMI","Supply Ability":"10000pcs\/month","Delivery Time":"15-20 days after deposit","Packaging Details":"1, neutral box , 2, color box, 3, customer brand package"}}
{"title":"ISUZU NKR KY 4JB1 CRANKSHAFT 8944436620 1005011BBA1","imgUrl":"https:\/\/img.chinax.com\/nimg\/ef\/20\/c9299ee3da59c593a2e0493b8470-200x200-1\/isuzu_nkr_ky_4jb1_crankshaft_8944436620_1005011bba1.jpg","attrs":{"Brand Name":"YIMI","Supply Ability":"10000pcs\/month","Delivery Time":"15-20 days after deposit","Packaging Details":"1, neutral box , 2, color box, 3, customer brand package"}}
ISUZU Clutch Release Bearing 8-97023074-0 8970230740 for NPR 4BE1 — 42×62×24mm OEM Standard
Product Overview
The ISUZU Clutch Release Bearing with OEM numbers 8-97023074-0 / 8970230740, reference RCT473, is a precision-engineered replacement designed for ISUZU NPR series trucks, compatible with 4BE1 diesel engines. This component is a core actuation element of the clutch system, responsible for pushing the clutch pressure plate diaphragm spring when the driver depresses the clutch pedal, enabling smooth disengagement and engagement of engine power to the transmission.
Numbering Note: This product number is 8-97023074-0 / 8970230740. Reference numbers include RCT473SA, VKC3621, BRG886, 8-97022-320-0, and ADZ93312. This bearing is supplied by brands including AISIN, KOYO, and fits ISUZU ELF Platform/Chassis (NKR7_, NKS7_, NHR6_, NKR6_, NPR_6).
Working Principle
The clutch release bearing (also known as "throw-out bearing") is a key component of the clutch actuation mechanism, installed on the release fork at the front of the transmission input shaft.
Disengagement Process: When the driver depresses the clutch pedal, hydraulic or mechanical force pushes the release fork forward, moving the release bearing toward the diaphragm spring fingers of the pressure plate.
Friction Reduction: The release bearing features a precision rolling bearing design — during high-speed rotation of the pressure plate, the bearing outer ring rotates with the pressure plate while the inner ring remains stationary, effectively reducing friction and wear.
Power Cut-off: The release bearing pushes the diaphragm spring, separating the pressure plate from the clutch disc, cutting off engine power transmission to the transmission for gear shifting.
Engagement Process: When the driver releases the clutch pedal, the release bearing retracts under return spring force, and the pressure plate re-engages the clutch disc, restoring power transmission.
Failure Symptoms
Inspect immediately if any of these occur:
Symptom
Probable Cause
"Squeaking" or "grinding" metallic noise when depressing the clutch pedal
Worn or poorly lubried bearing internals
Clutch pedal feels heavy and hard to press
Sticking or severely worn release bearing; increased resistance
Clutch fails to disengage fully; difficult shifting, gear grinding
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 ...