you will need one of the following depending on the line size: 1/8" line: JJS6321
312" width
Quality Aftermarket: 12-volt Cigarette Lighter w/ Socket-
570 Order 3 seals as they are narrower than the original and you can stack them together and use them
Quality Aftermarket Radiator Cap w/ Gasket (For (7 PSI) Pressurized system)
Universal Oil Pressure Gauge Fits John Deere Tractor | 0-50 PSI you will need one ofQuality Aftermarket Universal Oil Pressure Gauge (0 50 PSI) Fits John Deere Tractor Models: A, B, 50, 520, 530, 60, 620, 630, 70 (Gas and LP), 720 (Gas and LP), 730 (Gas and LP), AI, AO, AR, BO, BR, D, G, H Specifications This is a Dash Mounted Gauge with Bracket and Studs (1 8" NPT) Line adapter sold separately. Unless you can reuse your old adapter fitting for the oil line to the gauge, you will need one of the following depending on the line size: