12V Universal Auxiliary Heater Underdash Heat with Speed Switch for Car or Truck Minivans Excavators Harvesters 4 ports

Shipping calculated at checkout.

1.Comes with mounting brackets and speed control switch, support under dash installation

2.No fuel consumption, can provides more heat output than battery-powered heater in low electricity consumption


  • Color: Grey
  • Optional Voltage: 12V
  • Power supply: 8A
  • Material: Copper, Iron
  • Weight: about 3KG
  • Size: 23 x 21 x 10cm/9.3" x 8.5" x 3.9"
  • Fitting required - 5/8'' (16mm) inner diameter water hose
  • Applicable models: trucks, minivans, excavators, harvesters and so on.


1、Make sure the direction of flow through the cooling system

2、Connect the hot coolant hoses to the inlet and outlet of heater

3、Wire heater and switch into your vehicle’s electrical system

4、The red wire of switch is connected with positive pole of power supply and heater

5、The blue wire of switch is connected with negative pole of heater

6、The black wire is connected with negative pole of power supply

Package Included:

  • 1pcs x heater
  • 4pcs x Black tubes
  • 2pcs x Tee
  • 2pcs x mounting brackets
  • 1pcs x switch
  • 2pcs x straight fittings
  • 7pcs x 16-25mm hose clamps


1.In order to install the heater, you have to connect heater to your engine cooling system

2.It also has a blower that need to be wired into your vehicle’s electrical system for blowing warm air

Shipping & Returns


At egrperformance, we strive for your complete satisfaction with every purchase. If you are not entirely satisfied, you may return any unused product within 45 days of the delivery date for a full refund. Kindly ensure that the item remains in the same condition as when you initially received it.

To facilitate a seamless return process, kindly adhere to the following guidelines:

1. Original Packaging: Ensure returned items are enclosed in their original packaging, including all boxes, plastic containers, bags, and equivalent protective materials.

2. Undamaged Condition: We cannot accept original packaging that has been damaged, as these items are no longer considered new.

3. Tags and Additional Components: The original packaging must also include all tags, information booklets, instructions, stickers, etc. For apparel, please ensure tags remain attached.

4. Secure Packing: Pack your returns firmly to prevent any damage in transit.  If we receive a damaged item, we cannot determine the cause of the damage and will not accept it as a return.5. Shipping Container: Avoid using the item's original packaging as the shipping container. Instead, place items in the original packaging inside a larger, separate shipping box. We recommend reusing the box your items were initially shipped in.6. Necessary Information: Remember to include the original invoice or other essential contact information with your return.7. Confirmation Process: Before returning items, make sure all return conditions are met. Take photos or videos and send them to our customer service team for confirmation. Once approved, ship the products promptly and provide our team with a valid tracking number. We will process the refund within three working days after receiving the item, we will not deduct any fees, full refund, The refund is expected to arrive within 1 working day after the refund is processed.



Please make sure to include a note with your order number (e.g., KE-XXXX) inside the package before sending it for delivery.



For a quicker exchange process, we recommend returning the item you wish to exchange and then placing a separate order for the desired new item..

Shipping Fee

If you want to return or exchange an item with no quality issues, you will be responsible for paying the return shipping fee. Please note, if the purchased part does not fit due to failure in checking the Fitment information carefully, you will also bear the cost of return shipping. We do not charge for re listing fees. However, if we provide incorrect Fitment information, we will bear the cost.

Product Issues

If you receive an incorrect item or the product has quality issues, we will process exchange or return requests within 3 business days. Since it is our fault, we will bear the cost of returning the goods. However, please follow the return standards to ensure that the items are in new condition and do not affect their resale.

Out-of-Stock Items

In case the product you ordered cannot be delivered on time due to inventory shortages, we will contact you via email. You may choose to wait for the stock to arrive or request a refund.

In case your specific situation falls outside the scope of the policy mentioned above, please do not hesitate to contact us. We will make every effort to support you in resolving the issue.