Collection: Cooling Upgrades For Subaru Legacy B4 BM
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Koyo Hyper-V Core Radiator w/ Filler Neck | Subaru Multiple Fitments (VH091662)
Vendor:KoyoRegular price $399.22 USDRegular priceUnit price / per$565.60 USDSale price $399.22 USDSale -
Edelbrock Coolant Routing Upgrade Kit
Vendor:EdelbrockRegular price $266.95 USDRegular priceUnit price / per$266.95 USDSale price $266.95 USD -
aFe Magnum FLOW Pro Dry S Panel Air Filter | Multiple Subaru Fitments (31-10161)
Vendor:aFeRegular price $66.73 USDRegular priceUnit price / per$76.00 USDSale price $66.73 USDSale -
Torque Solution Alternator Relocation Bracket Kit | Multiple Fitments (TS-SU-440S-K)
Vendor:Torque SolutionRegular price $142.22 USDRegular priceUnit price / per$177.77 USDSale price $142.22 USDSale -
aFe Takeda Cold Air Intake | Subaru Outback/Legacy (09-15) (56-20066D)
Vendor:aFeRegular price $331.76 USDRegular priceUnit price / per$376.00 USDSale price $331.76 USDSale -
Turbo XS Dry Element Drop-In Air Filter | Subaru WRX / WRX STI / Forester / Legacy / Outback (08-21) / 09-10 (AF-01)
Vendor:Turbo XSRegular price $50.19 USDRegular priceUnit price / per$72.00 USDSale price $50.19 USDSale -
CSF 1-Row 31mm High-Performance Aluminum Radiator | Subaru Impreza WRX/STI (08-15) (7094B)
Vendor:CSFRegular price $361.53 USDRegular priceUnit price / per$439.00 USDSale price $361.53 USDSale -
Mishimoto Aluminum Radiator Stay | Subaru (92-15) (MMRS-STI-08B)
Vendor:MishimotoRegular price $29.13 USDRegular priceUnit price / per$34.00 USDSale price $29.13 USDSale -
Mishimoto 1.3 Bar Radiator Cap | Subaru Legacy (89-02), Impreza (92-23), Forester (97-23), Outback (93-23), VW Touareg (02-10), Audi A8 Quattro (94-02), B9 Tribeca (05-15), Subaru BRZ (14-23), WRX (14-23), Crosstrek (18-23) (MMRC-13-ONWY)
Vendor:MishimotoRegular price $24.42 USDRegular priceUnit price / per$29.00 USDSale price $24.42 USDSale -
Mishimoto Silicone Induction Hose | Subaru Impreza / Forester / Touareg / Legacy / Outback (92-15) (MMHOSE-SUB-08IHBK)
Vendor:MishimotoRegular price $264.42 USDRegular priceUnit price / per$309.00 USDSale price $264.42 USDSale -
Mishimoto Aluminum Radiator Stay | Subaru (92-15) (MMRS-STI-08ARD)
Vendor:MishimotoRegular price $29.13 USDRegular priceUnit price / per$34.00 USDSale price $29.13 USDSale -
Mishimoto Red Silicone Induction Hose | Subaru Impreza / Forester / Touareg / Legacy / Outback (92-15) (MMHOSE-SUB-08IHRD)
Vendor:MishimotoRegular price $264.42 USDRegular priceUnit price / per$309.00 USDSale price $264.42 USDSale -
Mishimoto Blue Silicone Induction Hose | Subaru Impreza / Forester / Touareg / Legacy / Outback (92-15) (MMHOSE-SUB-08IHBL)
Vendor:MishimotoRegular price $264.42 USDRegular priceUnit price / per$309.00 USDSale price $264.42 USDSale -
aFe Silver Bullet Throttle Body Spacer Kit | Subaru Outback H6 3.6L (46-30006)
Vendor:aFeRegular price $124.28 USDRegular priceUnit price / per$139.00 USDSale price $124.28 USDSale -
COBB EJ TGV Shaft Seal Kit | Subaru STI (07-21)/WRX (08-14)/Forester XT (09-13)/Legacy GT (07-12)/Outback XT (07-09)/Impreza 2.5GT (08-10) (443700)
Vendor:COBBRegular price $75.00 USDRegular priceUnit price / per$75.00 USDSale price $75.00 USD -
COBB SF Air Intake Box w/ SS HW | Subaru WRX/STI (08-14)/Legacy GT (05-09) (724160)
Vendor:COBBRegular price $205.00 USDRegular priceUnit price / per$205.00 USDSale price $205.00 USD -
COBB Blue Short Ram SF Intake System | Subaru Legacy GT/Outback XT (05-09) (724100-BL)
Vendor:COBBRegular price $340.00 USDRegular priceUnit price / per$340.00 USDSale price $340.00 USD -
COBB SF Intake System Black | Subaru Legacy GT/Outback XT (05-09) (724100-BK)
Vendor:COBBRegular price $340.00 USDRegular priceUnit price / per$340.00 USDSale price $340.00 USD -
aFe Takeda Stage-2 Cold Air Intake | Subaru Outback/Legacy 09-19 (TR-4303P)
Vendor:aFeRegular price $361.76 USDRegular priceUnit price / per$410.00 USDSale price $361.76 USDSale -
aFe Carbon Cabin Air Filter | Land Rover/Subaru/Lexus/Toyota (14-22/10-19/04-22) (35-10003C)
Vendor:aFeRegular price $22.44 USDRegular priceUnit price / per$23.00 USDSale price $22.44 USDSale
Optimize Cooling Upgrades for Your Subaru Legacy B4 BM
Maintaining optimal engine temperatures is essential for the Subaru Legacy B4 BM’s performance and reliability. Our collection of cooling upgrades is tailored specifically for this model, offering components that enhance heat dissipation and airflow to keep your engine running efficiently during spirited drives or daily use.
Why Upgrade the Cooling System on Your Subaru Legacy B4 BM?
Upgrading your Legacy B4 BM’s cooling system helps prevent overheating and reduces thermal stress on engine components. Improved cooling stability supports consistent power delivery and extends the life of your engine, especially under demanding conditions like aggressive driving or hot climates.
- Prevents engine overheating during high load or extended drives
- Maintains stable operating temperatures for consistent performance
- Reduces risk of engine damage caused by heat-related wear
Key Cooling Components to Consider for Your Legacy B4 BM
This collection includes high-quality radiators, intercoolers, electric fans, and reinforced hoses designed to fit the Subaru Legacy B4 BM precisely. These parts work together to improve airflow and heat exchange, ensuring your engine stays cooler and more responsive under all driving conditions.
How to Choose the Right Cooling Upgrades for Your Subaru Legacy B4 BM
When selecting cooling upgrades, focus on parts engineered for your model’s specifications to guarantee fitment and performance. Consider your driving style and climate to determine which components will best support your needs. Shop our curated collection at WheelFlip to find reliable cooling solutions that enhance your Legacy B4 BM’s durability and power consistency.















