Description
This is the one-way valve inside the feed pump. It opens on the delivery stroke and closes on the return, so the fuel is moved along the line instead of being pushed back and forth. A valve that no longer seats is the usual reason a pump turns but will not prime.
The Buyukdemir reference for this item is 2-2506.
It belongs to the Filter Spring · Seal Ring · Valve · A.C. Valve range in the Buyukdemir catalogue.
It cross-refers to the original equipment numbers 000 091 09 10, 000 091 00 10, 2 443 123 121, 2 443 123 021, 2 443 203 001.
The same part is made in other version options: Filter Spring / Feder (2-2509), Seal Ring / Dichtung, inner Ø27,50 · outer Ø36,20 · thickness 2,50 mm (2-2515), Handprimer Copper Washer, 16 x 19,5 x 1 mm (2-2510), Valve Spring / Ventilfeder (2-2507), A.C. Valve / Ventil, Ø18 mm (2-2508).
Manufactured by Büyükdemir Otomotiv in Istanbul, Türkiye, a producer of compressed-air brake and pneumatic components for trucks and trailers since 1957.
