Honda Sportrax 400 (TRX400EX) OEM Oil Change Kit 1999-2005 — Pro Honda 10W-40, Filter & Seals

Complete OEM oil change kit for 1999–2005 Honda Sportrax 400 (TRX400EX) containing Pro Honda 10W-40 oil, factory filter, o-ring and drain washer.

Keep your Sportrax 400 performing as Honda engineers intended with a genuine OEM oil change kit that contains every factory-recommended part for a standard service. This kit includes two cans of Pro Honda 10W-40 4-stroke oil, the correct Honda oil filter, the replacement oil drain washer, and the o-ring required when removing the filter cap. Everything fits the 1999–2005 TRX400EX so you can complete a tidy, reliable DIY oil change or supply your shop with the right OEM components.

What exactly is included in this Honda oil change kit?

This kit supplies the factory parts you need for a routine oil service on Sportrax 400 models from 1999 through 2005. Parts are Honda OEM so they match the original specifications.

• 2 × 10W-40 Pro Honda 4-stroke oil (part 08C35-A141M01)
• 1 × Honda oil filter (part 15412-HM5-A10)
• 1 × Honda filter o-ring (part 91302-KF0-003)
• 1 × Honda drain washer (part 94109-12000)

How does this kit simplify a DIY oil change?

Because it’s pre-packaged with the correct oil grade and factory replacement parts, you won’t have to guess part numbers or oil capacity. The oil cans are measured for a standard TRX400EX refill, and the included drain washer and o-ring remove common service hassles.

• OEM parts prevent compatibility issues during reassembly
• Oil cans eliminate the need to measure or decant from bulk containers
• Includes consumables you’d otherwise need to buy separately

Will these parts fit my Sportrax 400?

This kit is engineered specifically for Honda Sportrax 400 (TRX400EX) model years 1999–2005. If your ATV is within that range, the filter, o-ring, and washer are direct replacements. Always double-check your VIN or service manual if your model year is near the range boundary.

• Designed for TRX400EX 1999–2005 factory specifications
• Original Honda part numbers included for verification
• Compatible with standard 4-stroke oil change procedures

How often should I use this kit for regular maintenance?

Follow your Sportrax owner’s manual for service intervals—typically oil and filter changes are performed at regular mileage or seasonal intervals depending on riding conditions. Using OEM oil and filter helps maintain consistent lubrication and filtration performance between services.

• Follow the maintenance intervals in your Honda manual
• Use this kit each oil service to replace oil, filter, and seals
• Change frequency depends on riding conditions and hours of operation

Who is this for: This Honda OEM Oil Change Kit is ideal for Sportrax 400 owners who prefer factory-spec parts for routine maintenance, DIY mechanics who want a single box with everything needed for an oil service, and repair shops that require guaranteed-fit components for TRX400EX machines from 1999–2005. It’s not a tune-up kit—just the correct oil, filter and seals to complete a standard oil change quickly and correctly.