748838 OER AUTHORIZED Firewall Block Plate Heater Buick

Review OER AUTHORIZED Buick Chevrolet Pontiac Oldsmobile Firewall Block Off Plate Heater for BUICK CHEVROLET PONTIAC OLDSMOBILE 1964-81

The OER 748838 Firewall Block Heater is an essential component for vehicle owners residing in cold climates. This heater is specifically designed for use in 1964 to 1981 Buick, Chevrolet, Pontiac, and Oldsmobile models.

This heater plate is engineered to be installed on the firewall of your vehicle, which separates the engine compartment from the passenger cabin. By wrapping around the engine block, it allows the coolant to circulate through the heater core, which is filled with antifreeze, even when the engine is not running. This ensures that the engine stays warm and prevents the coolant from freezing, thus reducing the risk of engine damage.

The OER 748838 Firewall Block Heater is made of high-quality, heavy-gauge aluminum, which offers excellent heat conductivity and durability. The heater core features multiple fin designs that provide a large surface area for efficient heat transfer. The heater is also equipped with a built-in thermostat, which automatically turns on the heater when the engine temperature drops below a certain point and turns it off when the engine is warm.

Installing the OER 748838 Firewall Block Heater is a straightforward process. It comes with all necessary mounting hardware and clear installation instructions. The heater is also compatible with most aftermarket block heater controllers, giving you the flexibility to control the heater at your convenience.

In summary, the OER 748838 Firewall Block Heater is a must-have accessory for anyone living in a cold climate and driving a 1964 to 1981 Buick, Chevrolet, Pontiac, or Oldsmobile. It provides reliable engine protection against freezing temperatures and is easy to install. With its high-quality construction and efficient design, this heater is an investment that will pay for itself in the long run by ensuring the longevity of your vehicle's engine.

Buying a firewall block heater for a 1964-81 Buick, Chevrolet, Pontiac, or Oldsmobile vehicle can have both advantages and disadvantages. Here are some potential pros and cons to consider:

1. Improved Cold-Weather Performance: A firewall block heater keeps the coolant flowing through the engine block, preventing it from freezing during cold weather. This results in better starting performance and improved cold-weather driveability.

2. Reduced Engine Wear: By preventing the engine from having to work hard to warm up in freezing temperatures, a block heater can help reduce engine wear and tear.

3. Cost Savings: While the initial cost of purchasing and installing a firewall block heater may be significant, the long-term cost savings from reduced repair and maintenance costs, as well as improved fuel efficiency, can make it a worthwhile investment.

1. Installation Complexity: Installing a firewall block heater can be a complex process, requiring professional installation or extensive DIY knowledge. This can add to the overall cost and time investment.

2. Energy Consumption: A block heater consumes electricity while the vehicle is not in use, which can result in increased energy bills. However, this can be mitigated by using a timer to only heat the engine during colder temperatures.

3. Risk of Damage: If not installed properly, a block heater can cause damage to the engine, wiring, or other components. Proper installation and maintenance are essential to avoid potential issues.

In conclusion, while a firewall block heater for a 1964-81 Buick, Chevrolet, Pontiac, or Oldsmobile vehicle can offer significant benefits in terms of improved cold-weather performance, reduced engine wear, and cost savings, it also comes with some drawbacks such as installation complexity, energy consumption, and the risk of damage if not installed properly.

If you decide to purchase a firewall block heater, it's important to consider these factors and ensure that you have the necessary knowledge and resources to install it properly or work with a professional to do so. Additionally, using a timer to limit the heating duration during colder temperatures can help mitigate energy consumption concerns. Ultimately, the decision to purchase a firewall block heater depends on your individual circumstances and priorities.

Details:

1964-81 Buick Chevrolet Pontiac Oldsmobile; firewall block off plate; heater without ac; natural stamped steel: reproduction firewall block off plate for 1964-72 Chevalier Eli amino and Malibu 1967-69 Camry 1968-72 impala Bela air Biscayne caprice 1967-68 fire bird model's air conditioning. Manufactured in stamped steel for a factory-style appearance and fit. Installs on the firewall with minor flange modifications.features and benefits:reproduction block off plate for listed gm model's without air conditioning stamped steel construction factory-style fit appearance covers opening a cleaner correct finish installs modifications.

specifications aircondiheat:

• for makes: Buick, Chevrolet, Pontiac, Oldsmobile
• for years: 1964-81
• brand: Oer Authorized
• mpn: 748838
• part type: Block Plate Heater

seller aircondiheat:

• # reviews: 57409
• rating: 99.7%
• city: huntington beach, california

payments aircondiheat:

• other
• credit card: discover
• wallet: apple-pay

offer aircondiheat:

• sold #: 6
• prices: $98.99–$144.48
• item condition: New
• options: ship-to-home
• in stock #: 3
• availability: in stock
• started: april 22, 2026

general aircondiheat:

• category: Auto Parts > Car Truck Accessories > Air Conditioning Heating

shipping aircondiheat:

• transit: 3-8 days
• service: usps ground advantage, ups ground, ups 2nd day air, fedex ground / fedex home delivery
• type: calculated
• carrier: usps, ups, fedex
• class: standard, expedited

returns aircondiheat:

• policy: returns accepted
• time: 30 days
• paid by: seller