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(888) 312-8812 Login SignupCoolant cleanliness—not chemical treatment—is the focus of the Fleetguard Coolant Filter, which filters the engine cooling circuit without adding supplemental coolant additive chemistry. That non-chemical role makes the 11/16-16 UN-2B thread important because it identifies the filter-head connection without implying a treatment charge inside the canister. The Fleetguard WF2122 measures 4.17 inches high, giving the compact spin-on body a separate clearance check. Its 3.69-inch outside diameter completes the physical envelope after function, chemical status, and thread have already narrowed the correct coolant-service item.
| Largest Outside Diameter | 93.73 mm (3.69 in) |
|---|---|
| Thread Size | 11/16-16 UN-2B |
| Chemical Additive | NONE |
| Gasket Inside Diameter | 2.461812353 IN |
| Gasket Outside Diameter | 2.840159014 IN |
| Height | 4.172836899 in |
| Largest Outside Diameter | 3.690159473 IN |
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Since 1987, Fleetguard® has been one of the world's leaders in filtration solutions for both on- and off-highway applications. Whether it's air, fuel, oil, or hydraulic filtration, Fleetguard filters provide superior protection against contaminants for engines and sensitive equipment in the agriculture, construction, commercial vehicle, marine, mining, and power generation industries. Each filter is fitted with high-quality filter media for longer service life as well as a more compact design to accommodate shrinking engine compartments found in modern vehicles. All products also undergo extensive performance tests and strict quality control procedures to ensure durability and consistent performance, even in the most demanding operating conditions.
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