This is the Viton O-ring, size 34 mm x 3 mm. It is part number 486516620. This ring fits several Busch R5 pump models including the 0160D, 0202D, 0250C, 0250D, 0302D, and 0160C . Made from tough Viton (FKM) rubber, it resists high heat and harsh chemicals. If your pump is leaking or losing vacuum, this small part makes a big difference. It is also included in major repair kits like BMK020 and BMKF016 .
10 in stock
10 in stock
This is the Buna O-ring, size 210 mm x 6 mm. It is part number 48610300. This giant ring is used specifically on large Busch R5 pump models 1000B and 1600B . Made from durable Buna (Nitrile) rubber, it resists oils and fuels very well. If you are rebuilding your pump, you will find two of these massive O-rings inside the major repair kit BMK026 for the 1600B model and the gasket kit BGK011 . This ring is very thick (6 mm) and built for industrial jobs.
10 in stock
This is the Buna O-ring, size 25 mm x 4 mm. It is part number 48613600. This ring is used specifically on Busch R5 pump models 1000B and 1600B . Made from durable Buna (Nitrile) rubber, it resists oils and fuels very well. If you are rebuilding your pump, you will find two of these O-rings inside the major repair kit BMK026 for the 1600B model . This ring is thick (4 mm) and built to last.
10 in stock
This is the Buna O-ring, size 55 mm x 3 mm. It is part number 48604000. This ring is used specifically on large Busch R5 pump models 1000B and 1600B . Made from durable Buna (Nitrile) rubber, it resists oils and fuels very well. If you are rebuilding your pump, you will find two of these O-rings inside the gasket kit BGK011 for the 1000B and 1600B models . This is a standard, dependable seal for everyday pumping jobs.
This is the silicone O-ring, measuring 330mm in total length. It is part number 48206600-330MM. This ring is used on several Busch R5 pump models including the 0160D, 0202D, 1000B, 1600B, and 0160C . Made from soft, flexible silicone rubber, it creates a tight seal even in tricky spots. You will find this exact ring inside the overhaul kit BMKF016 and the gasket kit BGK006 for the 0160D and 0202D models . If your pump has a leak around a large cover or housing, this is the right part.
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
This is the silicone O-ring, measuring 660mm in total length. It is part number 48206600-660mm. This ring is used on Busch R5 pump models 0250C, 0250D, and 0302D . Made from soft, flexible silicone rubber, it creates a tight seal even in tricky spots.
10 in stock
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