STANDARD MOTOR PRODUCTS 11591XZSP Control Relay Smp A/c

( Brand: Standard Motor Products ), ( Manufacturer Part Number: 11591XZSP ), ( Part Type: Control Motor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: A/c Compressor Control Relay ), ( Years: 1979 1977 1978 1976 1980 1984 ), ( Application: Cadillac Deville A/c Control Relay ), ( Cs-sku: 400 )

Review STANDARD MOTOR PRODUCTS Cadillac A/c Control Relay Smp fits DEVILLE 1976–1984

SMP AC Control Relay (11591XZSP) for 1976-1979 Cadillac Deville

The SMP AC Control Relay (11591XZSP) is a crucial component designed specifically for the air conditioning system in 1976-1979 Cadillac Deville models. This electric relay ensures the smooth functioning of the climate control system by transmitting electrical signals between various components.

This AC Control Relay is a replacement part for the original GM OEM part, ensuring the highest level of compatibility and reliability. Its robust construction is built to withstand the rigors of use in automotive applications, making it an ideal choice for those seeking a long-lasting solution.

The 11591XZSP relay is a single-pole, double-throw (SPDT) device, which means it can switch between two electrical circuits based on the input it receives. It measures approximately 1.5 inches long, 1.0 inch wide, and 0.6 inches high, making it a compact yet essential component of the cooling system.

This SMP AC Control Relay features gold-plated terminals, which provide superior conductivity and corrosion resistance. The terminals are securely held in place by screws, ensuring a strong connection between the relay and the wiring harness.

Installing this relay is a straightforward process, typically involving disconnecting the battery, removing the old relay, and connecting the new one in its place. A detailed installation guide is available online or with the product packaging to help ensure a hassle-free installation.

By using this SMP AC Control Relay (11591XZSP), you'll be able to restore the proper functioning of your Cadillac Deville's air conditioning system, ensuring a more comfortable driving experience in various weather conditions.

Pros and Cons of Buying a 1977-1980 Cadillac Deville A/C Control Relay (11591XZSP)

If you own a 1976-1979 Cadillac Deville and are experiencing issues with your car's air conditioning system, you may be considering purchasing a new A/C control relay. One potential option is the SMP 1977 1978 1980 Cadillac Deville A/C Control Relay (11591XZSP). In this article, we will discuss the pros and cons of buying this specific relay to help you make an informed decision.

1. OEM Part: This relay is an original equipment manufacturer (OEM) part, which means it is designed and manufactured by the same company that originally produced it for the Cadillac Deville. Using an OEM part can ensure a good fit, proper functionality, and potentially longer durability compared to aftermarket parts.

2. Easy Installation: The A/C control relay is an electrical component that can be easily accessed and replaced without requiring extensive mechanical work. Installing the new relay should be a relatively straightforward process.

3. Potential to Solve Air Conditioning Issues: A faulty A/C control relay can cause various air conditioning problems, such as the system not turning on, blowing warm air, or cycling on and off repeatedly. Replacing the faulty relay with a new one can potentially solve these issues.

1. Cost: OEM parts, like the 11591XZSP, can be more expensive compared to aftermarket alternatives. The higher cost may be a deterrent for some buyers.

2. Availability: Depending on the supplier or dealer, this specific OEM relay might not be readily available, especially for older models. This could result in a longer wait time for the part.

3. Potential for Multiple Faults: If the air conditioning system is not functioning properly, there could be multiple causes beyond just the A/C control relay. Replacing the relay may not necessarily solve all the issues, and further diagnosis or additional repairs may be required.

In conclusion, purchasing the 1977-1980 Cadillac Deville A/C Control Relay (11591XZSP) comes with both advantages and disadvantages. While it is an OEM part that can ensure a good fit and potentially solve the air conditioning issues, it may be more expensive and less readily available compared to aftermarket alternatives. Additionally, there is a possibility that multiple faults could be present in the system, requiring further diagnosis and potential additional repairs.

If you are experiencing air conditioning issues with your 1976-1979 Cadillac Deville and suspect the A/C control relay to be the culprit, consider purchasing the OEM 11591XZSP relay as a potential solution. However, it is recommended to first confirm that the relay is indeed the cause of the problem by performing a thorough diagnosis. Additionally, you may want to consider shopping around for the best price and availability from various suppliers or dealers.

Details:

12 Month Warranty Fitment Notes: without bracket, Vehicle: 1976 Cadillac DeVille. Parts Geek - For 1976-1979 Cadillac DeVille A/C Control Relay SMP 11591XZSP 1977 1978 1980: Review Fitment Notes to Ensure Proper Fit condition: New Brand: Standard Motor Products Notes: Compressor Terminal Quantity: 4 Mounting Bracket Included: No Contents: Features: Built Last: Our relays feature high-quality composite housings that protect against harsh temperatures and the most demanding under-hood conditions, ensuring lasting reliability. Renowned Global Manufacturer: As a global manufacturer of original equipment ignition Products, we maintain complete quality control throughout the manufacturing process from component to finished product. Enhanced Wear Resistance: Featuring brass or copper contacts where specified, our relays offer extended wear resistance, ensuring reliability even in high-stress applications.

Fitment Notes: Vehicle: 1977-1979 Cadillac DeVille.

part #: 11591xzsp price

• $29.06

specifications cahecon:

• for models: Deville
• for makes: Cadillac
• for years: 1976-1984
• brand: Standard Motor Products
• mpn: 11591xzsp
• part type: Control Motor
• manufacturer warranty: 12 Month Warranty
• notes: A/c Compressor Control Relay
• years: 1979 1977 1978 1976 1980 1984
• application: Cadillac Deville A/c Control Relay
• cs-sku: 400

offer cahecon:

• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock
• started: April 15, 2026

payments cahecon:

• wallet: Google-pay
• other
• credit card: Visa

shipping cahecon:

• carrier: FedEx
• cost: $0.00
• type: Fixed
• service: FedEx Ground / FedEx Home Delivery
• transit: 3-7 Days
• class: Standard

seller cahecon:

• city: Bronx, New York
• # reviews: 328549
• rating: 98.8%

returns cahecon:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

general cahecon:

• Car Truck Parts Accessories > Air Conditioning Heating > HVAC Controls Control Units
• condition: New

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