K37-1012 is also a part number for a fuel filter element used in PACCAR fuel filtration systems. This filter element is similar to the K37-1004, and is designed to remove impurities and contaminants from diesel fuel to protect the engine and maintain performance. Like the K37-1004, the specifications and usage of the K37-1012 filter element can vary depending on the specific application and model of the equipment it is used in. Therefore, it's important to consult the equipment manual or contact a certified PACCAR dealer or mechanic for more detailed information about the part and its application.

Return Policy: Please note that return shipping costs are the responsibility of the customer, and original shipping charges are non-refundable. We also reserve the right to refuse any returns that do not meet these conditions. However, please note that our return policy does not allow for the return of used items. All returned items must be in new, unused condition and in their original packaging. If the filter has been installed and used, it is considered to be a used item and is not eligible for return. We understand that sometimes things don't work out as planned, but we are unable to accept used items for return due to health and safety concerns. We apologize for any inconvenience this may cause. If you have any other questions or concerns, please don't hesitate to reach out to us. Thank you for your understanding.