BACK PLATE FOR THOMSEN PUMP
$349.00 - $699.00
Back Plate for Thomsen Milk Pump — Multiple Options (Internal & External Seal) Precision replacement back plates for Thomsen milk pumps , available for models #4, #5, #6, #8 and for both internal and external seal configurations. The correct back plate restores seal alignment, reduces leaks, and extends service life. Compatibility & How to Identify Your Pump Available options: #4 — Internal seal #4 — External seal #5 — Internal seal #5 — External seal #6 — Internal seal #6 — External seal #8 — Internal seal #8 — External seal Find your Thomsen model: Measure the outside diameter (OD) of the pump head: 4" OD ? Model #4 5" OD ? Model #5 6" OD ? Model #6 8" OD ? Model #8 Check your seal style: Select the back plate that matches your pump’s Internal or External seal configuration. Tip: If you’re replacing seals too, confirm your style on our Thomsen Seal Kits page . Internal vs External — Visual Guide Internal Seal — Seal components sit inside the pump housing behind the back plate. External Seal — Seal assembly is positioned outside the pump housing. Not sure which one you have? Compare your pump to the images above and confirm with our Thomsen Seal Kits page . Features Restores prope
