TH400 Complete Pump Assembly. This pump body and stator back is made from 6061 billet aluminum. Weighs 10.81 lbs. versus 15.72 lbs. on the OE pump assembly. Positive stop bushing area. Area for staking bushing prevents bushing spin. Snap ring to prevent seal “Blow-Out”. Billet 4140 HTSR steel stator shaft. Parts available separately.