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![Restricted Bypass Port Fitting for 300 Series Water Pumps [-8 AN ORB to 5/8 in. Barb, Red]](https://www.jegs.com/images/mini_750/600/680/680-wpmr58r.jpg)
Vehicle Info NeededMEZIEREPART NUMBER: 680-WPMR58R
Restricted Bypass Port Fitting for 300 Series Water Pumps [-8 AN ORB to 5/8 in. Barb, Red]
$2239
Ships on 11/20/2026
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Restricted Bypass Port Fitting300 Series Water Pumps -8 AN O-Ring Boss to 5/8 in. Hose Barb Restricted Through Hole 6061 Aluminum Red Anodized Finish Sold Individually
This Meziere restricted fitting is commonly used as the bypass port fitting on Meziere 300 Series water pumps. The restricted through hole controls bypass flow while the 5/8 in. barb accepts standard heater hose.
Meziere WPMR58R Restricted Bypass Port Fitting Features:
- -8 AN o-ring boss end
- 5/8 in. hose barb end
- Restricted through hole for bypass circuits
- Fits WP300xP, WP301xP, WP311, WP373 and other pumps
- Red anodized finish
- Sold individually
Part TypeAdapter Fitting
BrandMEZIERE
Package Height2.0
Package Width2.0
Package Length3.0
Weight1.0 PG
Part CategoryPerformance Parts
QuantitySold Individually
Material6061 Aluminum
Part FitmentUniversal
FinishRed Anodized
Vendor Part NumberWPMR58R
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
