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Design Specifications

No-Spill™ Systems is dedicated exclusively to the design, manufacture, and supply of high quality oil drain systems. Our manufacturing process is ISO 9001. We are committed to serving the needs of our customers with quality products, technical assistance, and design innovations.  Our staff has decades of experience in the oil drain plug application business.

The housing and working parts of our products (excluding springs and O-rings) are made entirely of high quality brass, rather than machine steel, to prevent impaired performance due to rusting. No-Spill™ Systems' oil drain plugs and dust caps are BOTH made of brass. Brass dust caps on steel plugs (a design provided by some manufacturers) can fall off because brass and steel have different coefficients of expansion.

All No-Spill™ springs (in the drain plug and the clicker) are made of stainless steel. We also provide solid copper gaskets (where required), NOT hollow core (fiber filled) copper. The hollow copper gaskets supplied with some other manufacturers engine oil drain plugs do not provide secure, uniform adhesion between the plug and the oil pan. Hollow gaskets that contain asbestos as a fill fiber are already illegal in certain jurisdictions, and are certain to be banned under OSHA regulations in the near future.


Metal Parts:

Basic Material: Brass 
Quality: CuZn39Pb3-M 


Basic Material: Stainless Steel 


Basic Material: Viton
Color: Black
Temp. Range: -40C to 200C (-40F to 392F)
Compatibility: Engine oil, coolant, diesel fuel, gear lube, hydraulic fluid, etc.


Exclusive Design Features


Spring House:

Inner coring extends only to the thickest part of the hexagonal body for strongest construction

Oil Pan Threads:

Machined the full length for maximum strength and security

O-Ring Seal:

Protects threads from contamination Assures 'on/off' action of dust cap and drainer

Single Bridge:

Improves the gravity drain speed by 200% Reduces strain on vacuum draining Eliminates tapered valve sticking open after draining

Precision Fit:

No-Spill™ plugs are made in over 500 sizes and thread patterns Sizes range from 12mm, 1/4NPT, 1/2UNF to 2" diameters all thread patterns (UNF, UNC, NPT, BSP, Metric) Custom sizes available


On all Standard and Speed-Click™ Design plugs. Attracts and holds metal debris preventing their circulation in the lubrication and/or hydraulic system.