T203NS OIL DRAIN PLUG VALVE

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Technical Specifications

Feature Details / Value
Thread Size 1"-18 UNS (or 1"-18 UNF)
Nipple Dimensions Diameter: 5/8" (15mm) | Length: 5/8" (15mm)
Body Material Forged Brass
Internal Materials Stainless Steel Handle & Spring | Chrome Plated Brass Ball
Pressure & Temperature Pressure Rating: 145 PSI | Temperature Range: -40° to 365° F (-40° to 185° C)
Recommended Torque 531 in-lbs / 44 ft-lbs (60 Nm)
Sealing Type Blue Fiber Gasket (26mm Fiber Gasket)
Factory Pressure Tests Hydraulic Test Pressure: 0.6 MPa | Leakage Test Pressure: 0.10 MPa
Weight 0.5 lbs (226 g)

Cross References & Accessories

Brand / Category Part Number / Model
Fumoto (Main Product) T203NS
Replacement Gasket Washer G-26 (M26 Gasket - Not compatible with SX valves)
AutoZone SKU 1407553
Lever Lock T-Lock (For FG & T series valves)
Large Lever Clip LC-20 (For FG, T, and SX industrial series valves)
Clear Vinyl Hose M-Hose (5/8" Inside Diameter Hose)
Cover Cap L-Cap (For 3/4" nipples) / M-Cap (For 5/8" nipples)
L-Shaped Socket SL-15 (For valves with 5/8" nipples)

Applications & Installation Guide

Category Instructions & Guidelines
Compatible Engines • Specially designed for heavy-duty industrial and commercial diesel engines. • Highly common in **Cummins** engine applications (such as **L10, M11, ISM, ISN** series), as well as certain Caterpillar blocks. • Warning: Valve with an integrated nipple, recommended only for engines or trucks with high ground clearance. NOT recommended for low clearance vehicles.
Standard Installation 1. Preparation: Place the blue fiber gasket flat onto the valve thread base. Remove the original drain plug from the oil pan, drain the oil completely, and thoroughly clean the port surface area before installation. 2. Mounting: Thread the valve into the drain port smoothly by hand to avoid damaging the threads. Tighten using a crescent wrench directly on the body of the valve 1/8 to 1/4 turn past hand tight (or applying the 44 ft-lbs torque value). Do not apply force or use tools on the head of the nipple outlet. 3. Closing & Filling: Close the valve by firmly turning the control lever clockwise until it stops perpendicular to the oil outlet. The lever will click and lock into its safety recess. Install the lever clip and refill with new oil.
Operation • To Open: Remove the safety clip (if installed), lift the control lever firmly upward to unlock it, and turn it counter-clockwise. • To Close: Turn the lever firmly clockwise until it stops and snaps on its own (clicking) into the safety retention recess (remaining perpendicular to the outlet). It should not be possible to rotate the lever without lifting it first. Reinstall the safety clip.
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T203NS OIL DRAIN PLUG VALVE

$64.99