1991 BMW 735i Engine Cooling Parts

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1991 BMW 735i in Top Shape with Quality Engine Cooling Parts

Whether you’re repairing or upgrading your Engine Cooling Part, using high-quality parts is key to keeping your 1991 BMW 735i looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Coolant Reservoirs, Thermostats, and Radiators. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Engine Cooling Parts from Trusted Brands

Looking for a reliable Engine Cooling Part? We’ve got you covered with options from brands you know and trust like Imperial, Mahle, and Carquest Premium. For example, Imperial Engine Cooling Parts start at just $24.99 with an average 4.1 star rating. Mahle and Carquest Premium offer similar pricing and quality, backed by strong customer feedback. With over 134 reviews and a solid 3.4 star average, you can shop with confidence knowing other BMW 735i owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1991 BMW 735i Engine Cooling Part at Advance Auto Parts is around $55.49, with a range that starts at $1.45 and goes up to $204.99. With 26 options in stock from 9 trusted brands, finding the right fit is easy. Popular picks like Carquest Radiator Cap: 30 PSI, 10247, Imperial Thermostatic Fan Control – Preset, 226206, and Motorad Engine Coolant Thermostat: 180 Degrees, 274-180 start at just $21.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Cooling Part, don’t forget to check out other key components like Air Conditioning Parts and Heating Parts. At Advance Auto Parts, we’re here to help you keep your 1991 BMW 735i in peak condition, inside and out.

Essential 1991 BMW 735i Engine Cooling Parts

URO Parts – URO Parts Cooling Fan Blade, 11521712058 (Part No.11521712058)

URO Parts Cooling Fan Blade, 11521712058

from

$65.99
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced €œGenuine€ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.
See More

Carquest Premium – Carquest Standard Thermostat: 170 Degrees, 274-174 (Part No.274-174)

Carquest Standard Thermostat: 170 Degrees, 274-174

from

$40.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Carquest Premium – Carquest Multi-Purpose Relay, RAA2106 (Part No.RAA2106)

Carquest Multi-Purpose Relay, RAA2106

from

$28.99
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.
See More

Imperial – "Imperial Electric Fan, 12"" Diameter, 226112" (Part No.226112)

"Imperial Electric Fan, 12"" Diameter, 226112"

from

$116.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
See More

Carquest Premium – Carquest Radiator Cap: 13 PSI, 10329 (Part No.10329)

Carquest Radiator Cap: 13 PSI, 10329

from

$10.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
See More

Carquest Premium – Carquest Radiator Cap: 13 PSI, 10229 (Part No.10229)

Carquest Radiator Cap: 13 PSI, 10229

from

$10.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
See More

Carquest Premium – Carquest Engine Cooling Fan Switch, ACA1623 (Part No.ACA1623)

Carquest Engine Cooling Fan Switch, ACA1623

from

$40.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Engine Cooling Fan Switch regulates the operation of the cooling fan based on engine temperature, preventing overheating and ensuring optimal engine performance by maintaining a safe operating temperature. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.
See More

Carquest Premium – Carquest Radiator Cap Adapter, 12030 (Part No.12030)

Carquest Radiator Cap Adapter, 12030

from

$70.99
Tester adapter for the 9300 and MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive cooling systems.
See More

Carquest Premium – "Carquest Universal Fan Clutch – 5"" Thermal Import/Compact, 215048" (Part No.215048)

"Carquest Universal Fan Clutch - 5"" Thermal Import/Compact, 215048"

from

$168.99
Please note: Advance Auto Parts is proud to carry comparable exact-fit parts from multiple vendors, as such, the item you receive may be one of two quality brands. Both brands meet the same fitment requirements and are equal in their performance and specifications. The fan clutch is the component of the cooling system that varies the fan speed to meet the cooling needs of the engine. The fan clutch provides high airflow volume and, by only operating the fan as needed, promotes good fuel economy. CARQUEST fan clutches are designed to meet OE performance specifications.
See More

Carquest Premium – "Carquest Universal Fan Clutch – 5"" Thermal Import/Compact, 215014" (Part No.215014)

"Carquest Universal Fan Clutch - 5"" Thermal Import/Compact, 215014"

from

$127.99
Please note: Advance Auto Parts is proud to carry comparable exact-fit parts from multiple vendors, as such, the item you receive may be one of two quality brands. Both brands meet the same fitment requirements and are equal in their performance and specifications. The fan clutch is the component of the cooling system that varies the fan speed to meet the cooling needs of the engine. The fan clutch provides high airflow volume and, by only operating the fan as needed, promotes good fuel economy. CARQUEST fan clutches are designed to meet OE performance specifications.
See More

Carquest Premium – Carquest Engine Coolant Temperature Switch, WTA1376 (Part No.WTA1376)

Carquest Engine Coolant Temperature Switch, WTA1376

from

$17.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
See More

Bosch – Bosch Temperature Sensor, 0280130026 (Part No.0280130026)

Bosch Temperature Sensor, 0280130026

from

$39.99
Bosch OE quality temperature sensors for accurate measurements with high durability, fast response time and wide measuring range.
See More

Imperial – Imperial Thermostatic Fan Control – Adjustable, 226208 (Part No.226208)

Imperial Thermostatic Fan Control - Adjustable, 226208

from

$71.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.
See More

Carquest Premium – Carquest Engine Cooling Fan Module, ACC1313 (Part No.ACC1313)

Carquest Engine Cooling Fan Module, ACC1313

from

$99.99
All modern vehicles consist of several independent operating systems controlled by a main system processor with independent sub-processors. The sub-processors provide class 2 serial information data to the main processor while handling the operation of the system and carry the circuit load to protect the main operating system. When replacing any level processor programming may be needed to enter the unit into the vehicles main operating system.
See More

Victor Reinz – Victor Reinz Engine Coolant Thermostat Housing Gasket, 71-22609-10 (Part No.71-22609-10)

Victor Reinz Engine Coolant Thermostat Housing Gasket, 71-22609-10

from

$3.59
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
See More

MAHLE Original – MAHLE Original Engine Coolant Thermostat Housing Gasket, C31633 (Part No.C31633)

MAHLE Original Engine Coolant Thermostat Housing Gasket, C31633

from

$2.99
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.
See More

Carquest Premium – Carquest Radiator, 431421 (Part No.431421)

Carquest Radiator, 431421

from

$204.99
Reach Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Reach Radiators meet or exceed original equipment specifications, ensuring that products fit and perform just as well or better than the original parts, providing you peace of mind.
See More

Carquest Premium – Carquest Radiator, 41838 (Part No.41838)

Carquest Radiator, 41838

from

$221.99
Reach Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Reach Radiators meet or exceed original equipment specifications, ensuring that products fit and perform just as well or better than the original parts, providing you peace of mind.
See More

Carquest Premium – Carquest Engine Water Pump: New, Gasket/Seals Included, T2155 (Part No.T2155)

Carquest Engine Water Pump: New, Gasket/Seals Included, T2155

from

$60.99
Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.
See More

Dorman – Dorman Pressurized Coolant Reservoir, 603-538 (Part No.603-538)

Dorman Pressurized Coolant Reservoir, 603-538

from

$54.99
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.
See More

Carquest Premium – Carquest Radiator Cap: 30 PSI, 10247 (Part No.10247)

Carquest Radiator Cap: 30 PSI, 10247

from

$25.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
See More

URO Parts – URO Parts Expansion Tank Cap, 17111712669 (Part No.17111712669)

URO Parts Expansion Tank Cap, 17111712669

from

$5.99
For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO Parts components are ideal for both professional and DIY vehicle repair, and are often the exclusive aftermarket alternative to overpriced €œGenuine€ components. By reducing deferred maintenance with URO Parts, you will increase the bottom line of your business. With its URO Premium line, A.P.A. offers problem-solving upgraded components that are superior to failure-prone OEM parts in design and/or materials. A.P.A. is so confident in the longevity and reliability of URO Premium products, . URO Parts also specializes in accurate reproduction parts for classic vehicles, including a huge variety of items that are no longer available from the dealer.
See More

Rein – Rein Cap-Expansion Tank, CPE0050 (Part No.CPE0050)

Rein Cap-Expansion Tank, CPE0050

from

$15.99
Rein Automotive OE Quality expansion tank caps are designed to be direct replacements for OE caps. Rein caps are designed to match or exceed the OE materials used and are produced to the highest standards to ensure long service life. Rein Automotive OE quality expansion tank caps keep the coolant system at the proper pressure just like the OE cap.
See More

Most Popular Coolant Reservoir for 1991 BMW 735is

Enhance your 1991 BMW 735i with this popular Coolant Reservoir we have in stock, for $54.99.

Dorman – Dorman Pressurized Coolant Reservoir, 603-538 (Part No.603-538)

Dorman Pressurized Coolant Reservoir, 603-538

from

$54.99
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.
See More

Best-Selling 1991 BMW 735i Thermostats

Upgrade your 735i with one of our 4 best-selling Thermostats, earning an average 3.5 stars rating across 2 reviews.

Carquest Premium – Carquest Standard Thermostat: 180 Degrees, 13588 (Part No.13588)

Carquest Standard Thermostat: 180 Degrees, 13588

from

$23.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Motorad – Motorad Engine Coolant Thermostat: 180 Degrees, 274-180 (Part No.274-180)

Motorad Engine Coolant Thermostat: 180 Degrees, 274-180

from

$21.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Carquest Premium – Carquest Standard Thermostat: 170 Degrees, 274-174 (Part No.274-174)

Carquest Standard Thermostat: 170 Degrees, 274-174

from

$40.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
See More

Rein – Rein Thermostat Insert, 80 Deg. C Remanufactured, CTN0074 (Part No.CTN0074)

Rein Thermostat Insert, 80 Deg. C Remanufactured, CTN0074

from

$14.99
Rein Automotive OE quality thermostat inserts install, fit and perform the way the original manufacturer intended. This ensures a smooth and easy installation, just as one would expect to find with OE quality. These inserts are designed to meet or exceed the OE materials used. Rein thermostats are produced with high-quality metals and components to ensure proper durability and service life. The thermostats are temperature calibrated to have a consistent and precise response suiting cooling system needs. Our quality thermostat inserts aim to provide the profession repair technician and vehicle owner peace of mind and trust that is expected from an OE quality component.
See More

Top-Quality Radiators for 1991 BMW 735is

Choose a high-quality OEM or aftermarket Radiator for BMW 735is and enjoy top-notch performance from $204.99.

Carquest Premium – Carquest Radiator, 431421 (Part No.431421)

Carquest Radiator, 431421

from

$204.99
Reach Radiators offer one of the largest product ranges in the aftermarket, covering more than 95% of the popular automotive and light truck applications. Reach Radiators meet or exceed original equipment specifications, ensuring that products fit and perform just as well or better than the original parts, providing you peace of mind.
See More

Our Top Pick for a 1991 BMW 735i Water Pump

Invest in a durable Water Pump for your 1991 BMW, knowing you’re getting trusted brands and expert craftsmanship.

Carquest Premium – Carquest Engine Water Pump: New, Gasket/Seals Included, T2155 (Part No.T2155)

Carquest Engine Water Pump: New, Gasket/Seals Included, T2155

from

$60.99
Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.
See More

Our Top-Rated Radiator Caps for 1991 BMW 735is

Make a smart move for your 1991 BMW 735i with our Radiator Cap for $23.99.

Carquest Premium – Carquest Standard Reservoir Cap: 20 PSI, 10246 (Part No.10246)

Carquest Standard Reservoir Cap: 20 PSI, 10246

from

$23.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
See More

Top-Rated Engine Cooling Part Brands For Your 1991 BMW 735i

When it comes to finding the perfect Engine Cooling Part for your 1991 BMW 735i, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 9 trusted brands. We carry the most popular Engine Cooling Part brands including Mahle, Carquest Premium, and Imperial, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $2.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 1991 BMW 735i, providing peace of mind with parts that meet or exceed OEM standards.

Popular Mahle 1991 BMW 735i Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 1991 BMW 735i, Advance Auto Parts has exactly what you need with our selection of Mahle Engine Cooling Parts. We have 1 Mahle Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $2.99, you’ll find the perfect Engine Cooling Part for your needs and budget. Mahle Engine Cooling Parts for the 1991 BMW 735i come highly rated, with over 1 customer reviews and an impressive average rating of 4.5 stars. Choosing a Mahle Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

Top-Quality Carquest Premium 1991 BMW 735i Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 1991 BMW 735i, Advance Auto Parts offers a great selection of Carquest Premium Engine Cooling Parts. With 1 Carquest Premium Engine Cooling Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Engine Cooling Parts start at just $25.99, giving you a range of options to suit your budget. Backed by over 14 customer ratings and an average rating of 4.5 stars, Carquest Premium Engine Cooling Parts provide both reliability and excellent performance. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Carquest Radiator Cap: 30 PSI, 10247
from $25.99
(14)
Carquest Radiator Cap: 30 PSI, 10247
“Work well”

FAQs for 1991 BMW 735i Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 1991 BMW 735is?

Out of 26 Engine Cooling Parts that fit 1991 BMW 735is, the following parts are the top sellers:

What’s the price range for 1991 BMW 735i Engine Cooling Parts?

The prices of Engine Cooling Parts for the 1991 BMW 735i range from $1.45 up to $204.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 1991 BMW 735i?

The average price for Engine Cooling Parts for the 1991 BMW 735i is $55.49. Keep in mind the variety of part types within our Engine Cooling Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Cooling Parts for other BMW 735i model years?

Yes, we carry Engine Cooling Parts for 6 model years of BMW 735is between 1985 and 1992. The following model years are the most popular for Engine Cooling Part purchases: 1992, 1990, 1989, 1988, 1987, 1986, and 1985.

What are the cheapest Engine Cooling Parts for my 1991 BMW 735i?

Does Advance Auto Parts sell Engine Cooling Parts for any other 1991 BMW models?

Yes. We stock Engine Cooling Parts for 12 other popular 1991 BMW models. Some of the most popular are 1991 325i Engine Cooling Parts, 1991 M3 Engine Cooling Parts, 1991 535i Engine Cooling Parts, 1991 525i Engine Cooling Parts, and 1991 M5 Engine Cooling Parts.

What are the top-rated Engine Cooling Parts that fit the 1991 BMW 735i?

The one 1991 BMW 735i Engine Cooling Part we have in stock is the MAHLE Original Engine Coolant Thermostat Housing Gasket, C31633. It is rated 5 stars and costs $2.99.

What types of Engine Cooling Parts do you sell for my 1991 BMW 735i?

As of 8/2/26, these are some of the most in-demand types of Engine Cooling Parts for a 1991 BMW 735i:

Can I get help with 1991 BMW 735i Engine Cooling Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about BMW Engine Cooling Parts and more.

What is your return policy for BMW 735i Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new BMW 735i Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.