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{"title":"1.3mm Thickness Multi-Layer Steel (MLS) Cylinder Head Gasket for Toyota 15B 4.1L","imgUrl":"https:\/\/img.chinax.com\/nimg\/e4\/2a\/6d9a4ad5daa41dda71d4e2ac7515-200x200-1\/1_3mm_thickness_multi_layer_steel_28mls_29_cylinder_head_gasket_for_toyota_15b_4_1l_diesel_engine.jpg","attrs":{"Gasket Width":"197 mm","Compressed Thickness":"1.3 mm","Price":"Negotiable","Engine Compatibility":"Toyota 15B, 15B-F, 15B-FT, 15B-FTE (4.1L \/ 4,104 cc inline-4 diesel)"}}
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Engine Radiator Assembly 16400-17251 16400-17252 16400-17200 For Toyota Coaster HZB40/HZB50 1HZ 4.2L Diesel 1997-1999
Product Overview
This Engine Radiator with OEM numbers 16400-17251 (also listed as 16400-17252, 16400-17200) is a verified OEM-grade direct replacement for Toyota Coaster HZB40 and HZB50 buses equipped with the 1HZ 4.2L diesel engine.
As a critical component of the engine cooling system, this radiator is responsible for dissipating heat from the engine coolant, maintaining optimal operating temperatures, and preventing overheating in demanding commercial passenger transport applications.
Key Specifications
OEM Specification - Verified by Toyota OEM part numbers 16400-17251, 16400-17252, and 16400-17200
Precision 550×578×32/36/48mm Core - Verified by KINGA KJ-12383A and KJ-12539 specifications
Proven Durability - Constructed with plastic/aluminum materials and brazed cooling fins
Direct Bolt-On Fitment - 99% installation success rate confirmed across thousands of repair orders
Broad Compatibility - Fits Coaster HZB40, HZB50, HZD50 with 1HZ engines from 1997-1999
Cross-Reference Verified - Compatible with Jayrad JR2851J and KINGA KJ-12383A alternatives
Failure Symptoms
If your radiator is failing, you may experience one or more of the following symptoms:
Engine Overheating - Temperature gauge consistently rising above normal operating range
Coolant Leakage - Visible coolant puddles under the vehicle or damp spots on the radiator core
Steam from Engine Bay - Steam or vapour rising from the radiator area
Coolant Loss - Unexplained drop in coolant level with no visible external leaks
Reduced Heater Performance - Cabin heater blowing cold air
⚠️ Important: A failing radiator can lead to severe engine damage including blown head gaskets, warped cylinder heads, or complete engine seizure. Prompt replacement is essential to maintain engine reliability and prevent costly repairs.
Vehicle & Engine Compatibility
Brand
Model
Chassis / Series
Engine
Years / Notes
Toyota
Coaster
HZB40, HZB40R
1HZ 4.2L Diesel
1997-1999, MTM/ATM
Toyota
Coaster
HZB50, HZB50R
1HZ 4.2L Diesel
1993-2016
Toyota
Coaster
HZD50
1HZ 4.2L Diesel
Compatible
Toyota
Coaster
BB50R, BB42
14B, 15BFT, 1BZFPE
1999-07 » 2004-08
Associated Components (Sold Separately)
Part Name
OEM Part Number
Radiator Drain Cock Plug
16417-15210
Radiator Drain Cock Packing
16418-15520
Radiator Side Plate (RH)
16453-17231
Radiator Side Plate (LH)
16454-17231
⚠️ Important Compatibility Notes:
This radiator is designed for Toyota Coaster models with 1HZ, 14B, 15BFT, and 1BZFPE diesel engines
The 16400-17251 and 16400-17252 part numbers are used for both MTM and ATM applications
Compatible with Right-Hand Drive (RHD) and Left-Hand Drive (LHD) configurations
Please verify your vehicle's chassis code, production year, and transmission type before ordering
Features & Benefits
OEM Specification
Guarantees factory-fit quality and performance - verified by Toyota OEM part numbers
Precision Aluminum Core
550×578mm core delivers superior heat dissipation and structural integrity
Brazed Cooling Fins
Ensures maximum heat transfer efficiency and long-term durability
Integrated Oil Cooler
32×390mm oil cooler provides transmission fluid cooling for ATM applications
Hybrid Design
Lightweight plastic tanks with high-conductivity aluminum core for optimal performance
Direct Bolt-On Fitment
No modifications required - engineered as direct match for original radiator
Quality Certified
ISO 9001 / TS 16949 certified manufacturing under strict quality control
100% New
Guarantees zero wear, immediate cooling performance, and full service life
Product Specifications
Part Number
16400-17251, 16400-17252, 16400-17200
Product Name
Radiator
Car Model
Toyota Coaster HZB40/HZB50
Engine Model
Toyota 1HZ
Condition
100% Brand New
Origin
China Mainland
Main Market
Middle East, Asia, Africa, South America, North America & Europe
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 ...