Andflo Viton O-Ring Replaces Imo PP056TB1-237 BSM This relief valve spring will

This relief valve spring will fit in the following Viking® internal gear pumps: Q4125

Bill of Materials Casing Cast Iron Rotor Cast Iron Shaft Steel Idler Iron Idler Pin Hard Steel Casing Bushing Carbon Graphite Head Cast Iron Pump Performance Flow  10 GPM Pressure 100 PSI Relief Valve  Yes

This lip seal will fit in the following Viking® internal gear pumps: LS

This o-ring replaces the OEM Part Number PP056TB1-439

Andflo Viton O-Ring Replaces Imo PP056TB1-237 BSM This relief valve spring willRated up to 400F and is guaranteed to fit inside your Imo ( ) pump. This o ring replaces the OEM Part Number PP056TB1 237. Compatible Pump Models: Call For Details() ( ) () () () () *Sold in Set of 1* This is how many o rings you will receive per quantity ordered.