BMW 3-Series Thermostat Housings & Filler Necks
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Mahle®Engine Coolant Thermostat Seal (C33011)Engine Coolant Thermostat Seal (C33011) by Mahle®. Keep your cooling system running leak-free, with superior-grade Mahle seals and gaskets designed to provide OE form, fit, and function. Made using advanced technology and the finest...Designed to seal your cooling system from leaksMade from high-quality materials for utmost reliability$3.92 - ARP®Thermostat Housing Bolt Kit (434-7401)Thermostat Housing Bolt Kit by ARP®. Material: Stainless Steel. Quantity: Set of 2. Finish: Polished. Thread: M8. UHL: 20mm. To keep your engine cool and improve your vehicle's performance, this product is just the right solution....Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$9.38
- ARP®Thermostat Housing Bolt Kit (450-7402)Thermostat Housing Bolt Kit (450-7402) by ARP®. Material: Stainless Steel. Quantity: Set of 2. Finish: Polished. Thread: 5/16". UHL: 0.875". To keep your engine cool and improve your vehicle's performance, this product is just the right...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$6.71
- ARP®Thermostat Housing Bolt Kit (134-7402)Thermostat Housing Bolt Kit (134-7402) by ARP®. Material: 8740 Chrome Moly. Quantity: Set of 2. Finish: Black. Thread: M8. UHL: 20mm. To keep your engine cool and improve your vehicle's performance, this product is just the right...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$6.47
- ARP®Thermostat Housing Bolt Kit (130-7401)Thermostat Housing Bolt Kit (130-7401) by ARP®. Material: 8740 Chrome Moly. Quantity: Set of 3. Finish: Black. Thread: 3/8". UHL: 1.000"/2.000". To keep your engine cool and improve your vehicle's performance, this product is just the...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$8.18
- ARP®Thermostat Housing Bolt Kit (450-7401)Thermostat Housing Bolt Kit (450-7401) by ARP®. Material: Stainless Steel. Quantity: Set of 2. Finish: Polished. Thread: 5/16". UHL: 0.875". To keep your engine cool and improve your vehicle's performance, this product is just the right...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$7.08
- ARP®Thermostat Housing Bolt Kit (430-7401)Thermostat Housing Bolt Kit (430-7401) by ARP®. Material: Stainless Steel. Quantity: Set of 3. Finish: Polished. Thread: 3/8". UHL: 1.000"/2.000". To keep your engine cool and improve your vehicle's performance, this product is just the...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$7.89
- ARP®Thermostat Housing Bolt Kit (150-7402)Thermostat Housing Bolt Kit by ARP®. Material: 8740 Chrome Moly. Quantity: Set of 2. Finish: Black. Thread: 5/16". UHL: 0.875". To keep your engine cool and improve your vehicle's performance, this product is just the right solution....Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$4.21
- ARP®Thermostat Housing Bolt Kit (134-7401)Thermostat Housing Bolt Kit (134-7401) by ARP®. Material: 8740 Chrome Moly. Quantity: Set of 2. Finish: Black. Thread: M8. UHL: 20mm. To keep your engine cool and improve your vehicle's performance, this product is just the right...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$6.84
- ARP®Thermostat Housing Bolt Kit (130-7402)Thermostat Housing Bolt Kit (130-7402) by ARP®. Material: 8740 Chrome Moly. Quantity: Set of 3. Finish: Black. Thread: 3/8". UHL: 1.000"/2.000". To keep your engine cool and improve your vehicle's performance, this product is just the...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$8.18
- BMW OEEngine Coolant Thermostat Housing Gasket (11531743179)Engine Coolant Thermostat Housing Gasket (11531743179) by BMW OE. Choose genuine OE parts to restore the distinctive appearance and performance of your BMW. Meticulously crafted with German ingenuity, innovation, and attention to detail,...OE part manufactured to provide authentic quality, look, and functionDesigned to easily restore your BMW’s original condition$11.13
- BMW OEEngine Coolant Pipe Gasket (11537534880)Engine Coolant Pipe Gasket (11537534880) by BMW OE. Choose genuine OE parts to restore the distinctive appearance and performance of your BMW. Meticulously crafted with German ingenuity, innovation, and attention to detail, each part...OE part manufactured to provide authentic quality, look, and functionDesigned to easily restore your BMW’s original condition$22.61
- BMW OEEngine Water Pump Outlet Pipe Gasket (11122247745)Engine Water Pump Outlet Pipe Gasket (11122247745) by BMW OE. Choose genuine OE parts to restore the distinctive appearance and performance of your BMW. Meticulously crafted with German ingenuity, innovation, and attention to detail,...OE part manufactured to provide authentic quality, look, and functionDesigned to easily restore your BMW’s original condition$13.69
- Victor Reinz®Engine Coolant Thermostat Housing Gasket (71-28919-00)Engine Coolant Thermostat Housing Gasket by Victor Reinz®. Location: Thermostat Housing to Block. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$5.54
- ARP®Thermostat Housing Bolt Kit (430-7404)Thermostat Housing Bolt Kit by ARP®. Material: Stainless Steel. Quantity: Set of 2. Finish: Polished. Thread: M8. UHL: 20mm. To keep your engine cool and improve your vehicle's performance, this product is just the right solution....Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$51.09
- CFR Performance®Machined 20AN Male to -16AN Male Coupling w/o-Ring (HZ-40033-M-KIT(A))Machined 20AN Male to -16AN Male Coupling without-Ring (HZ-40033-M-KIT(A)) by CFR Performance®. Want your vehicle to look and perform at is best? Then superior-grade CFR Performance automotive parts and accessories are for you. They are...Designed to combine functionality and styleMade from the finest materials for maximum strength$13.24
- CFR Performance®Machined 20AN Male to -20AN Male Coupling w/o-Ring (HZ-40034-M-KIT(A))Machined 20AN Male to -20AN Male Coupling without-Ring (HZ-40034-M-KIT(A)) by CFR Performance®. Want your vehicle to look and perform at is best? Then superior-grade CFR Performance automotive parts and accessories are for you. They are...Designed to combine functionality and styleMade from the finest materials for maximum strength$14.01
- CFR Performance®Machined 20AN Male to 3/4" NPT Adapter w/o-Ring (HZ-40036-M)Machined 20AN Male to 3/4" NPT Adapter without-Ring (HZ-40036-M) by CFR Performance®. Want your vehicle to look and perform at is best? Then superior-grade CFR Performance automotive parts and accessories are for you. They are made from...Designed to combine functionality and styleMade from the finest materials for maximum strength$16.69
- CFR Performance®Polished 20AN Male to -16AN Male Coupling w/o-Ring (HZ-40033-POL-KIT(A))Polished 20AN Male to -16AN Male Coupling without-Ring (HZ-40033-POL-KIT(A)) by CFR Performance®. Want your vehicle to look and perform at is best? Then superior-grade CFR Performance automotive parts and accessories are for you. They...Designed to combine functionality and styleMade from the finest materials for maximum strength$13.95
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It is generally known that to enable the vehicle to deliver maximum performance, engine temperatures should be kept within the proper range. However, maintaining the right temperature under the hood is also essential for long lifespan of your car in general and the engine in particular. Overheating is one the greatest threats endangering the engine, that is why efficient cooling is so critical. A thermostat is one of the key elements of the cooling system that regulates coolant flow. Usually, it is covered and protected with a housing that directs the coolant stream once the valve opens. Housings and filler necks help route the radiator hose in the right direction.
Cooling systems of the BMW 3-Series are generally known for being rather troublesome, with water pumps and thermostats being some of the common areas of failure. Consequently, overheating is a very common problem when it comes to BMW 3-Series cars, that often causes serious damage. If you plan a cooling system repair job, don’t forget to choose replacements from our selection of BMW 3-Series thermostat housing and filler necks.
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