Merchant 10185 A15 Magnetic Transfer Case Drain Plug Kit | 1999-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Features:

• Fits 1999–2007 GM 2500HD and 3500HD Duramax
• Magnetic tip captures metal debris
• Helps extend transfer case fluid life
• Made from durable 304 stainless steel
• Includes both drain and fill plugs
• Corrosion resistant construction
• Direct replacement for factory plug
• Improves transfer case longevity
• Ideal for high mileage maintenance
• Quick and simple to install

Keep Your Transfer Case Clean And Protected With Every Drain

If you’re serious about keeping your Duramax running strong, you already know the little things make a big difference. The Merchant 10185 A15 Magnetic Transfer Case Drain Plug Kit is one of those small upgrades that packs a lot of value. Designed to replace your stock drain plug, this magnetic version actively pulls metal debris from your transfer case fluid, helping prevent unnecessary wear and contamination over time. The kit also includes a new high-strength fill plug made from 304 stainless steel, so you get a full refresh with corrosion-resistant durability. It’s an easy install and a smart choice for anyone doing routine maintenance or refreshing worn components on a 1999–2007 Silverado or Sierra 2500HD or 3500HD. Whether you’re towing heavy or just daily driving, this is an affordable upgrade that adds protection where it counts. Step up your maintenance game and give your transfer case the clean start it deserves.

Stainless Steel Strength With Magnetic Precision Built In

The Merchant 10185 A15 Magnetic Transfer Case Drain Plug Kit is engineered to improve transfer case reliability by filtering out fine metallic particles that naturally occur through gear wear. This plug features an integrated magnet that attracts and holds onto metal debris, preventing it from recirculating through your transfer case fluid. The included fill plug is precision machined from 304 stainless steel, offering excellent corrosion resistance and strength in high-temperature environments. Both pieces are designed as direct replacements for the factory plugs, ensuring a secure fit and hassle-free installation. This simple upgrade is especially valuable for aging transfer cases or trucks that see frequent heavy-duty use. Compatible with 1999–2007 GM Silverado and Sierra 2500HD/3500HD models with the 6.6L Duramax, this plug kit offers OEM-style fitment with aftermarket reliability. By capturing debris before it causes damage, you’re investing in long-term drivetrain performance and peace of mind.

Fits: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Notes:

• Designed to replace factory drain and fill plugs
• Magnetic drain plug helps trap metal debris
• Promotes longer transfer case fluid life
• Made from high strength 304 stainless steel
• Corrosion resistant material for long-term use
• Includes both magnetic drain and standard fill plug
• Compatible with 1999–2007 GM Silverado/Sierra 2500HD and 3500HD
• Helps reduce wear on internal transfer case components
• Easy maintenance upgrade with long-term benefits