Which Bosch model VA pump do you have, AR, BR or CR? I have worked on those pumps for years, and none have ever used square section O rings at the throttle or shutoff shafts, but the old ones may LOOK like that when taken apart. There are some square section O rings on some pumps at the advance and head area. Very few parts are available, but gasket kits are so far. DGK 124 or DGK 125, depending on the pump model. CR with the line fittings straight is the later one, AR and BR with angled fittings are the early models used.
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Today's Featured Article - Tractor Traction - by Chris Pratt. Our first bout with traction problems came when cultivatin with our Massey-Harris Pony. Up till then, this tractor had been running a corn grinder and pulling a trailer. It had new unfilled rear tires and no wheel weights. The garden was already sprouting when we hooked up the mid-mount shovel cultivators to the Pony. The seed bed was soft enough that the rear end would spin and slowly work its way to the downhill side of the gardens slight incline. From this, we learned our lesson sinc
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