Fuel Strainer Gasket
CTPA-70208137 Replacement Part to Fit:  Allis-Chalmers For Models: D15 SN 9001>, D17 SN 42001>, D19 SN 12000>, D21 W/ D2900 OR D3500 ENG., WC W/ LARGE BAIL TYPE BOWL, 170 W/ GAS ENG. SN <170-07500 Used W/ 70237947 Bowl. 2.125" OD  Price:  $0.69  Buyers Club Price:  $0.62