JJ Radiator supplies thermostats and water flanges for passenger cars, trucks, generators and heavy-duty applications. Send OEM number, old sample or vehicle details for practical checking.
Thermostats and water flanges are often checked together because both affect cooling-system service work, maintenance planning and replacement accuracy.
For distributors and repair-market buyers, correct application checking matters more than long technical descriptions. We focus on practical identification by part number, model, photo or sample.
Current page visuals focus on the water flange range already shown on your main products page.
Useful for standard replacement and repair-market supply.
Suitable for buyers who need photo-based checking or sample matching.
Can be sourced together with thermostats in one inquiry flow.
Good fit for mixed cooling-system spare-parts orders.
Short, useful information buyers actually need before sending an inquiry.
Usually checked by OEM number, engine model and opening temperature rating if available.
Often checked by shape, hose outlet, bolt position and application photo.
Useful for workshops, distributors and parts buyers who handle frequent maintenance demand.
Can be purchased together with radiator tanks, caps and other cooling parts.
These are the main customer groups this page is built to support.
Common aftermarket replacement demand for daily workshop and local stock supply.
Useful for transport, commercial vehicle service and regional parts distributors.
Relevant when buyers service stationary engines and recurring maintenance needs.
Good for buyers who rely on sample photos and application checks instead of only generic part names.
Focused on the practical questions buyers usually ask first.
Yes. Start with the OEM number or a clear product photo. If the temperature marking is visible, that helps even more.
Yes. Many buyers ask for both in the same inquiry because they are often replaced or checked in the same cooling-system job.
OEM number, vehicle model, engine details, hose outlet size and old sample photos are the most useful references.
Yes. Mixed orders can include radiator tanks, caps, filler necks and other related product lines.
Send your OEM number, old sample, engine details or product photos. We will help check the right thermostat or water flange and reply with suitable options.