Hella 933332591 Multi-Purpose Relay

Hella 933332591 Multi-Purpose Relay

The Hella 933332591 is a 12V multi-purpose relay with a 4-pin, normally open contact design for a range of electrical switching applications. It is built for clamp 15 relay function use and is specified for demanding underhood and body electrical circuits across many GM, Kia, Hyundai, Buick, Cadillac, Chevrolet, GMC, Pontiac, Saturn, and Hummer applications.

Key Features

• 12V rated multi-purpose relay for automotive electrical systems
• 4-pole design with normally open contact function
• 35A capacity at 12V
• 15A inductive load rating and 5A capacitive load rating
• Grey housing color matches the original part appearance
• Operating temperature range from -40°C to 125°C
• Hella part number 933332591 for direct identification

Detailed Description

This Hella relay is specified for clamp 15 circuits and is used in vehicle systems such as fan control, heater and air conditioning, starter circuits, comfort package functions, heated rear window, horn, interior blower, ABS recovery pump, and exterior mirror adjustment. It is a practical replacement choice for vehicles that require a 12V 4-pin normally open relay with the listed electrical ratings. This part number 933332591 also cross-references OE-style applications where the relay specification matches the original circuit requirements.

Compatible fitment includes long-tail searches such as Fits 2007 Chevrolet Silverado 1500, N/A; Fits 2007 GMC Sierra 1500 Classic, N/A; and Fits 2005-2010 Kia Sportage, N/A. It also appears in applications for 2018 Buick Enclave and 2018 Chevrolet Traverse, along with many earlier GM truck, SUV, sedan, and crossover platforms.

What This Relay Is Used For

• Replacing a failed relay that prevents a circuit from switching on
• Restoring starter relay operation in 12V systems
• Correcting intermittent fan, blower, or HVAC electrical faults
• Addressing horn, heated rear window, or comfort feature relay issues
• Resolving ABS recovery pump or mirror adjustment relay failures

Installation Notes and Tips

Verify the relay footprint, pin count, voltage rating, and contact type before installation. Match the original circuit function and confirm the vehicle’s relay socket layout against the part number 933332591 and the OE reference. For fitment verification, check the vehicle year, make, model, and the relay function listed for your application, especially on Chevrolet Silverado, GMC Sierra, and Cadillac Escalade platforms.

Quality Assurance

Hella is a recognized automotive electrical brand, and this relay is specified with a wide operating temperature range and defined load ratings for consistent circuit control. Use the published electrical specifications and vehicle fitment data to confirm application accuracy before replacement.