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- Zettler (Pack of 3) 12V 30A Relay for Ram Tra...
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Item #:
37018078
Zettler (Pack of 3) 12V 30A Relay for Ram Trailer Tow Lights, Replaces VFM-21F42-S01
90% of respondents would recommend this to a friend
Item #:
37018078
XPF 3586
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Order now and get it around Saturday, October 10
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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 1 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
| Connector Type | Screw |
| Contact Type | Normally Open |
| Current Rating | 30 A |
| Mounting Type | DIN Rail Mount |
| Operation Mode | Automatic |
| Coil Voltage | 12 volts |
| Contact Current Rating | 30 A |
| Maximum Switching Current | 30 A |
| Minimum Switching Voltage | 12 volts_of_direct_current |
| Upper Temperature Rating | 125 u00b0C |
| Contact Material | Copper |
| Brand Name | Zettler |
| Number of Packs | 3 |
| Unit Count | 3 Count |
| Number of Items | 3 |
| Manufacturer | Zettler |
| Model | (Pack of 3) 12V 30A |
| Part Number | (Pack of 3) 12V 30A |
| 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.
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.
Zettler Accessory Power Editorial Review
The 12V 30A Relay for Ram Trailer Tow Lights is receiving positive feedback from customers. One user mentioned that their Dodge vehicle didn't require the replacement, but they installed the product as a precaution since they use their truck for towing. Another customer expressed initial apprehension but was impressed with the product's performance, describing it as a great price and effective. Overall, the product is seen as reliable and essential for those using their trucks for towing.
Customer Reviews & Ratings
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Pros
- Reliable for towing vehicles
- Great price
- Effective performance
Cons
- No negative feedback provided
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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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8 September 2026 · via Trustpilot
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XPF 3586
Order now and get it around Saturday, October 10
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.)
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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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