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Premium SPST Relay for Automotive & Industrial Use
The CA1a-12V-A-5 SPST relay is engineered to restore reliable single-circuit control in fuel systems, industrial power modules, and more. Key applications include:
Automotive Repairs:
Fixes P0230 (Fuel Pump Circuit Malfunction) in compatible Volkswagen Golf and Audi A3 models.
Addresses P0627 (Control Circuit Open) in Ford Transit rear power modules.
Industrial Upgrades:
Power management in Toyota 8-Series forklifts.
Redundant circuit switching for diesel generators.
Technical Compliance:
SPST Single-Pole Design: 1 Form A (normally open) for simplified on/off control.
Certified Safety: IP67 waterproof rating and ISO 7588-1 compliance.
OEM Replacements: Compatible with Bosch 0332019150 and Omron G8P-1A4T-24VDC relays.
Moises Hernandez
Reviewed in the United States on March 25, 2025
My 2016 Audi A3’s fuel pump died during a downpour (P0230 code), leaving me stranded. This IP67-rated relay installed in 3 minutes – the rubber bracket locked securely into the fuse box, and the 30A load handled the fuel pump’s surge currents perfectly. Tested in -10°C Chicago winters and 95°F summer heat with zero corrosion on the contacts. Bonus: Works on my buddy’s Ford Transit’s rear power module (fixed his P0627 code). Keep a spare in your glovebox!
Stephanie Powers
Reviewed in the United States on March 25, 2025
Our delivery Transit vans (2021 models) kept throwing P0627 codes due to vibration-worn relays. Swapped them with this CA1a-12V-A-5 unit – the 4-pin SPST design matched the factory layout, and the 40A surge capacity crushed the electrical spikes from the cargo lift. Survived 6 months of pothole-filled NYC streets with no failures. Pro tip: Use dielectric grease on the pins for extra moisture protection. Cheaper than OEM Bosch parts but just as reliable!
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