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Item #:
37018078
Zettler (Pack of 3) 12V 30A Relay for Ram Trailer Tow Lights, Replaces VFM-21F42-S01
Item #:
37018078
SCR 444
Price Details
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*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Saturday, August 01
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This relay replaces the commonly faulty VFM-21F42-S01 trailer light relays in Ram pickup truck fuse box assemblies, includes 3 relays, and is rated at 30A 12VDC with 5 operating terminals.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Current Rating
The 12V 30A rating ensures reliable performance for towing applications, handling heavy loads while ensuring safety and stability in electrical connections.
Durable Design
Engineered for rugged environments, these relays are built to withstand the demands of trailer towing, providing long-lasting reliability and peace of mind.
Easy Replacement
Compatible with VFM-21F42-S01, this relay pack offers a straightforward replacement option, saving time on installation and enhancing overall user convenience.
Product Details
| Item Weight | 0.6 lbs (270 grams) |
Who Should Buy?
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Trailer Owners
Perfect for users who need reliable relays for operating trailer tow lights safely and efficiently.
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DIY Enthusiasts
Ideal for hobbyists looking to upgrade or replace existing relays in their own vehicle or trailer setups.
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Automotive Technicians
Suitable for professionals needing quality relays for repair work on towing systems or trailer lighting.
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High-Powered Applications
Not suitable for vehicles or systems requiring more than 30A as it may result in overheating.
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Non-Towing Vehicles
Users with cars not designed for towing may not benefit from the features offered by this product.
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Less Experienced Users
Individuals unfamiliar with relay installation might find the setup and wiring challenging without professional help.
Product Description
Zettler (Pack of 3) 12V 30A Relay for Ram Trailer Tow Lights, Replaces VFM-21F42-S01
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Customer Questions & Answers
-
Question:
Does this relay come with free shipping?
Answer: Yes, free shipping is included. -
Question:
What is the maximum contact current of this relay?
Answer: It is rated at a maximum of 30A at 12VDC. -
Question:
What is the operating temperature range of this relay?
Answer: The operating temperature range is -40°C to +125°C.
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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“Not madly expensive like I thought, and much quicker than promised.”
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12 June 2026 · via Trustpilot
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SCR 444
Order now and get it around Saturday, August 01
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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Fastest cross-border delivery
Features & Benefits
- Replaces faulty VFM-21F42-S01 trailer light relays in Ram pickup truck fuse box assemblies.
- Includes 3 relays in new bulk packaging.
- Rated at 30A 12VDC with 5 operating terminals.
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