M20x1.5 Oil Drain Plug with Crush Washer – Zinc-Plated Steel

Brief Overview

This M20x1.5 oil drain plug is a precision-engineered component designed for reliable engine oil system maintenance. The assembly includes both the plug and a soft metal crush washer, providing a complete sealing solution. If you're stocking core drivetrain components, you'll also want to consider compatible drain plugs in adjacent metric sizes to ensure comprehensive inventory coverage across engine variants.

Key Features

• Thread Specification: M20 x 1.5 metric pitch
• Hex Socket Drive: 5mm internal hex (Allen key compatible)
• Wide Flange Design: Prevents over-torquing and ensures proper seating
• Zinc-Plated Finish: Yellow-green iridescent coating provides corrosion resistance and durability
• Included Crush Washer: Soft metal sealing ring creates reliable one-time compression seal
• Uniform Surface Finish: Smooth, professionally plated surfaces indicate consistent manufacturing quality

Business Advantages for Resellers

• High-Volume Demand: Oil drain plugs and washers are routine service components across virtually every automotive workshop
• Margin Opportunity: Low material cost combined with consistent demand supports healthy wholesale margins
• Consumable Pattern: Requires replacement at every oil change interval—customers purchase repeatedly
• Universal Application: M20x1.5 is a common OEM specification across European and Asian vehicle platforms
• Complete Kits: Offering both plug and washer together eliminates customer need to source components separately, increasing order value
• Bulk Order Friendly: Lightweight, compact design allows efficient warehousing and economical freight on bulk purchases

Technical Specifications

Specification	Value
Thread Size	M20 x 1.5
Drive Type	5mm Hex Socket
Material	Steel (plug); Soft metal (washer)
Surface Finish	Zinc-plated (yellow chromate)
Flange Diameter	Standard automotive (approx. 24–26mm)
Washer Type	Crush/compression seal
Application	Engine oil drain systems
Reusability	Single-use washer; plug is reusable

Why Mechanics Specify This Component

The hex socket design eliminates the need for specialized drain plug sockets, allowing technicians to use standard hex keys already in their toolkits. The wide flange prevents the plug from sitting too deep in the pan, and the included crush washer guarantees a fresh seal on every oil change—reducing leak callbacks and warranty claims.

The M20x1.5 specification is OEM-standard across a broad vehicle range, making this a staple item in any professional shop. Stock this alongside related drain plug repair solutions for shops that encounter stripped threads or damaged plugs.

Call to Value

For distributors building a comprehensive service component inventory, this M20x1.5 oil drain plug assembly is a high-velocity, repeatable-purchase item with minimal complexity and proven demand. Competitive wholesale pricing on bulk orders makes this an excellent margin contributor with minimal inventory risk.

Order confidently—this is a workhorse component that moves steadily year-round.