1677-HO 1999-2004 Chevy GMC AM Gen 6.5L Diesel CCW threaded fan clutch water pump inline 6 d150- d250-d350 pickup

d150- d250-d350 pickup

3L chevrolet c1500 suburban 86-77 V8 305 5

0L FORD E-300 ECONOLINE 1974 V8 302 5

SPAL Part Number: 30102041

An increased vane count and a reduction in the plate-impeller clearance achieves greater flow rates

1677-HO 1999-2004 Chevy GMC AM Gen 6.5L Diesel CCW threaded fan clutch water pump inline 6 d150- d250-d350 pickupThe 1677 HO is designed to outperform GM's higher flow rate "130 gpm" pump introduced in 1997 with the threaded hub. GM achieved higher flow rates with a 10% larger impeller diameter than the earlier versions. Most people simply look for that to determine if it it is higher output or not. We go a wee bit further. Our impeller outperforms and outflows to help the 6. 5L diesel run a little cooler under a load. The impeller has an increased vane count, a