Oil Drain Plug Thread Repair Sets – M13, M15, M17, M20

Overview

Damaged oil drain plug threads represent one of the most common wear failures in automotive service shops. This comprehensive repair set eliminates the need for costly sump replacement or metal rethreading services by providing a complete, field-proven solution for restoring drain plug integrity on vehicles with the most popular metric thread sizes.

The kit addresses a genuine pain point: rather than turning away jobs or performing expensive repairs, your technicians can restore functionality in minutes. This is particularly valuable for shops handling higher-mileage vehicles, fleet maintenance, and light commercial vehicle servicing where stripped drain plugs are frequent.

Complement this with larger thread size repair options for shops servicing heavier commercial or specialty vehicles.

What's Included

Repair Taps (4 pieces):

• M13×1.5 tap with square drive shank
• M15×1.5 tap with square drive shank
• M17×1.5 tap with square drive shank
• M20×1.5 tap with square drive shank

Replacement Hex-Head Plugs (5 pieces per size):

• M13×1.5 with SW 17 (17mm hex head)
• M15×1.5 with SW 19 (19mm hex head)
• M17×1.5 (internal hex recess)
• M20×1.5 (internal hex recess)

Replacement Allen-Style Plugs (5 pieces per size):

• M17×1.5 with SK 8 (8mm internal hex socket)
• M20×1.5 with SK 10 (10mm internal hex socket)

Aluminum Gaskets (10 pieces per size):

• M13, M15, M17, M20 crush washers for guaranteed leak-free seals

Carrying Case:

• Molded blue hard plastic case with integrated handle
• Organized compartments with labeled positions for each component
• Secure latching system for workshop or mobile service use

Key Features

• Four popular metric thread sizes covering 95% of European and Japanese vehicles
• Two plug head styles (hex and internal hex) to match OE specifications across different manufacturers
• Professional-grade steel taps with fluted cutting edges and square drive shanks for reliable thread restoration
• Aluminum gaskets included – eliminates customer returns from oil leaks
• Complete kit in a single case – no need to source components separately
• Field-tested design – taps and inserts are dimensioned for exact OE thread specifications

Business Advantages for Resellers

1. High-Margin Service Add-On: Shops using this kit can charge full labor rates for thread repair work that would otherwise require engine removal or component replacement. Retail value of the finished service easily exceeds €150–€300 per repair.

2. Customer Retention & Upsell: When a customer brings in a vehicle for oil service and you identify a stripped drain plug, this kit lets you retain the job and complete it same-day. This builds loyalty and increases per-vehicle spend.

3. Reduce Shop Downtime: Rather than ordering replacement sumps or contracting specialty services, technicians can restore threads in 20–30 minutes, keeping labor hours billable.

4. Predictable Inventory: The most common sizes are covered. Shops can stock confidently without over-investment in larger specialty kits.

5. Professional Appearance: Molded case and organized components project competence and increase customer confidence in repair quality.

Technical Specifications

Component	Specification
Tap Shank Type	Square drive (compatible with standard tap wrenches)
Thread Pitches	M13×1.5, M15×1.5, M17×1.5, M20×1.5
Hex Plug Sizes	SW 17, SW 19 (standard automotive hex keys)
Internal Hex Plug Sizes	SK 8, SK 10 (Allen key recesses)
Gasket Material	Aluminum (crushable, single-use)
Case Material	Molded hard plastic with handle and latches
Vehicle Compatibility	Most European cars, Japanese vehicles, light commercial vans (Transits, etc.)
Coverage	Oil pan sumps, gearbox drain plugs, differential drain plugs

Recommended Pairing

For shops servicing mixed fleets, consider pairing this set with heavy-duty plastic drain plug solutions for OE-spec replacements on specific vehicle models.

Summary

This is a foundational repair kit for any automotive service shop that services vehicles beyond warranty age. It converts a common failure point into a profitable service opportunity, improves job completion rates, and reduces customer escalations due to oil leaks. Stock confidently for immediate resale to independent shops, franchised service centers, and fleet maintenance operations.