2003 Audi A3 Thermostat Housings & Filler Necks
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- Dorman®Engine Coolant Thermostat HousingAudi A3 2003, Engine Coolant Thermostat Housing by Dorman®. Material: Plastic. Finish: Black. Re-engineered to address common failure points in the original equipment, Dorman’s Engine Coolant Thermostat Housing has improved durability...Ideal replacement - this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and modelsDurable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking$8.45 - $31.55
- Dorman®Engine Coolant Water OutletAudi A3 1.9L without Glow Plug Heater 2003, Engine Coolant Water Outlet by Dorman®. Location: Rear of Engine. Material: Plastic. Type: Parallel with Base. Bolt Hole Diameter: 0.25". Quantity: 2 Bolt Hole. Finish: Black. Increase the...Ideal replacement - this engine coolant water outlet directly replaces the original water outlet on specified vehicle years, makes and modelsDurable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking$3.84
- MotoRad®Engine Coolant Thermostat Water OutletAudi A3 1.8L 2003, Engine Coolant Thermostat Water Outlet by MotoRad®. Location: at Radiator. State-of-the-art equipment, strict quality control, and functional testing to each water outlet ensure customers that they can trust the...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$8.83
- URO Parts®Engine Coolant Thermostat HousingAudi A3 Models Built in Mexico 2003, Engine Coolant Thermostat Housing by URO Parts®. Position: Lower. This superior part by URO is a great alternative solution to the costly factory equipment that will help you restore smooth and...Designed to replace your worn out factory cooling partOptimizes engine cooling performance$30.45
- ARP®Thermostat Housing Bolt KitThermostat Housing Bolt Kit 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 right...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$7.89 - $10.93
- MotoRad®Engine Coolant Thermostat HousingAudi A3 1.8L 2003, Engine Coolant Thermostat Housing by MotoRad®. Temperature: 190F. MotoRad conducts highly controlled validation using advanced testing equipment that is integrated into the production process of all products.Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$16.89
- SKP®Engine Coolant Thermostat Housing w/o CoverAudi A3 1.6L BAH Engine Models Built in Brazil 2003, Engine Coolant Thermostat Housing without Cover by SKP®. Position: Lower. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of...Precise engineering ensures second to none quality and lasting valueStringently tested with the highest quality standards$18.80
- ARP®Thermostat Housing Bolt KitThermostat Housing Bolt Kit 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 right...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$8.18
- ARP®Thermostat Housing Bolt KitThermostat Housing Bolt Kit 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 solution....Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$6.71 - $7.08
- ARP®Thermostat Housing Bolt KitThermostat 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 KitThermostat Housing Bolt Kit 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 solution....Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$6.47 - $6.84
- ARP®Thermostat Housing Bolt KitThermostat Housing Bolt Kit 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 solution....Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$6.71 - $7.08
- ARP®Thermostat Housing Bolt KitThermostat 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 KitThermostat 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®AdapterAdapter 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 high-strength materials using advanced manufacturing...Designed to combine functionality and styleMade from the finest materials for maximum strength$13.75 - $16.69
- CFR Performance®CouplingCoupling 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 high-strength materials using advanced manufacturing...Designed to combine functionality and styleMade from the finest materials for maximum strength$13.24 - $14.01
- CFR Performance®PlugPlug 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 high-strength materials using advanced manufacturing...Designed to combine functionality and styleMade from the finest materials for maximum strength$11.68 - $13.75
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2003 Audi A3 Models
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