Free Shipping

Free Returns*

1-Year Guarantee

7-pin trailer plug, model QR1803

Name: 7-pin trailer plug, model QR1803
Brand: Kalsten
SKU: 4871545176568
Price: 31.99 USD
Availability: InStock

$31.99 $63.99 SAVE $32.00 (50% OFF)

3-Day Express Shipping

Easy 14-Day Returns

24/7 Support

Variant

bushing

Plug

Plug + Socket

Secure Electrical Connection for Your Trailer

A trailer requires a reliable electrical connection to the towing vehicle in order to control brake lights, indicators, and other functions. A high-quality plug is essential for this – it must fit securely, be corrosion-resistant, and ensure a stable connection.

7-Pin Plug According to American Standard

This trailer plug is a 7-pin plug according to American standard (QR1803) and provides a secure electrical connection between the towing vehicle and trailer. The plug is robustly constructed and suitable for reliable use with various types of trailers. The seven pins allow the transmission of all necessary signals for lighting and brake control.

The QR1803 model is a proven standard and is used in many trailers. The plug is durable and corrosion-resistant, making it ideal for outdoor use.

Practical Advantages

Secure Connection: The plug fits tightly and ensures reliable power transmission.
Standardized: The QR1803 model is a proven standard for many types of trailers.
Corrosion-Resistant: Withstands weather and moisture.
Easy Installation: Can be connected quickly and easily.
Durable: Robust construction for a long lifespan.

Reliable Electrical System for Your Trailer

With this plug, you secure the electrical connection of your trailer. A secure connection is important for traffic safety and the functionality of all trailer functions.

[{"id":65979455897868,"title":"bushing","option1":"bushing","option2":null,"option3":null,"sku":"4871545176568","requires_shipping":true,"taxable":true,"featured_image":{"id":95473805787404,"product_id":16573147250956,"position":6,"created_at":"2026-09-30T16:37:39+02:00","updated_at":"2026-09-30T16:37:45+02:00","alt":null,"width":800,"height":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/download_3eeaf77f-f982-4b49-8231-27ef70239194.jpg?v=1790779065","variant_ids":[65979455897868]},"available":true,"name":"7-pin trailer plug, model QR1803 - bushing","public_title":"bushing","options":["bushing"],"price":3199,"weight":100,"compare_at_price":6399,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":77298138775820,"position":6,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/download_3eeaf77f-f982-4b49-8231-27ef70239194.jpg?v=1790779065"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":65979455930636,"title":"Plug","option1":"Plug","option2":null,"option3":null,"sku":"4871545176567","requires_shipping":true,"taxable":true,"featured_image":{"id":95473805820172,"product_id":16573147250956,"position":7,"created_at":"2026-09-30T16:37:39+02:00","updated_at":"2026-09-30T16:37:44+02:00","alt":null,"width":800,"height":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/download_9c2b8c83-871e-4ea0-a847-5b0b69699fc7.jpg?v=1790779064","variant_ids":[65979455930636]},"available":true,"name":"7-pin trailer plug, model QR1803 - Plug","public_title":"Plug","options":["Plug"],"price":3199,"weight":100,"compare_at_price":6399,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":77298138808588,"position":7,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/download_9c2b8c83-871e-4ea0-a847-5b0b69699fc7.jpg?v=1790779064"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":65979455963404,"title":"Plug + Socket","option1":"Plug + Socket","option2":null,"option3":null,"sku":"5047831106932","requires_shipping":true,"taxable":true,"featured_image":{"id":95473805623564,"product_id":16573147250956,"position":1,"created_at":"2026-09-30T16:37:39+02:00","updated_at":"2026-09-30T16:37:45+02:00","alt":null,"width":800,"height":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/download_0a57940e-cff1-4b54-abd1-d9721cbae968.jpg?v=1790779065","variant_ids":[65979455963404]},"available":true,"name":"7-pin trailer plug, model QR1803 - Plug + Socket","public_title":"Plug + Socket","options":["Plug + Socket"],"price":3199,"weight":100,"compare_at_price":6399,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":77298138611980,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/kalsten.com\/cdn\/shop\/files\/download_0a57940e-cff1-4b54-abd1-d9721cbae968.jpg?v=1790779065"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}]

Product Reviews

4.8

(25 reviews)

Sarah M.

This product exceeded my expectations! The quality is outstanding and it arrived quickly. Highly recommend!

2 weeks ago

James T.

Absolutely love it! Perfect for what I needed. Great value for money.

3 weeks ago

Emily R.

Best purchase I've made in a while. The craftsmanship is excellent and it looks even better in person.

1 month ago

Michael B.

Fantastic quality and fast shipping. Will definitely be ordering again!

1 month ago

Jessica L.

Really good product overall. Minor issue with packaging but the item itself is great.

2 months ago

David K.

Exceeded all my expectations. The attention to detail is impressive.

2 months ago

Amanda P.

Love this! Exactly as described and works perfectly. Very satisfied with my purchase.

3 months ago

Ryan S.

Outstanding product! The quality is top-notch and it's exactly what I was looking for.

3 months ago

Lauren H.

Very pleased with this purchase. Good quality and arrived on time.

3 months ago

Chris W.

Incredible value! This product is well-made and durable. Couldn't be happier.

4 months ago

Nicole F.

Amazing quality and beautiful design. This has become my favorite purchase!

4 months ago

Brandon C.

Highly recommend! The product is excellent and customer service was great too.

5 months ago

Megan D.

Good product for the price. Does exactly what it's supposed to do.

5 months ago

Kevin J.

Perfect! This is exactly what I needed. Great quality and fast delivery.

6 months ago

Rachel G.

Love everything about this product. It's well-made and looks fantastic.

6 months ago

Tyler N.

Exceptional quality! Worth every penny. Will be recommending to friends.

7 months ago

Olivia M.

Very happy with this purchase. Good quality and arrived as expected.

7 months ago

Daniel A.

Best product in its category! The quality is unmatched and it works flawlessly.

8 months ago

Samantha K.

Absolutely perfect! Exceeded my expectations in every way. Love it!

8 months ago

Matthew R.

Outstanding product! Great quality

fast shipping

and excellent value.

Ashley B.

Really good purchase. Minor improvements could be made but overall very satisfied.

9 months ago

Justin L.

Fantastic! This product is everything I hoped for and more. Highly recommend!

10 months ago

Victoria S.

Excellent quality and beautiful finish. This is a must-have product!

10 months ago

Eric P.

Perfect in every way! Great quality

fast delivery

and looks amazing.

Hannah W.

Love this product! It's well-crafted and exactly as described. Very happy!

11 months ago