Archoil Ultimate Diesel Kit - AR9100 Friction Modifier (16oz) + AR6500 Diesel Treatment (40oz) + AR6400-D Diesel Fuel System Cleaner (12oz)
Archoil Ultimate Diesel Kit - AR9100 Friction Modifier (16oz) + AR6500 Diesel Treatment (40oz) + AR6400-D Diesel Fuel System Cleaner (12oz)
- ULTIMATE 3-STEP DIESEL KIT: Includes AR6400-D Diesel Fuel System Cleaner + AR6500 Diesel Treatment (40 oz) + AR9100 Friction Modifier (16 oz)
- EASY TO USE: AR6400-D and AR6500 are diesel treatments, added directly to the fuel tank. AR9100 is an oil treatment, added to engine oil at your next oil change - no tools required
- HOW IT WORKS (Clean Maintain Protect): Use AR6400-D first, then use AR6500 at every fill-up. Add AR9100 at your next oil change
- FOR ALL DIESEL ENGINES: Suitable for all diesel vehicles and equipment, including modern HPCR systems
- DIESEL ADDITIVE BENEFITS (AR6400-D + AR6500): Deep-clean then maintain the fuel system for smoother running and better response while controlling fuel soot and deposits over time
- OIL ADDITIVE BENEFITS (AR9100): Reduce friction for smoother operation and anti-wear protection. Eliminates HEUI injector stiction (6.0/7.3L Power Strokes and others)
Specifications
- Item Weight: 5.24 pounds
- Package Dimensions: 12.58 x 6.42 x 6.4 inches
Shipping, returns & fit
Shipping is free on U.S. orders of $75 or more; orders under $75 ship for a flat $4.95. We currently ship to U.S. addresses only.
Orders are picked and packed within 5-7 business days. Once shipped, delivery normally takes another 7-10 business days, and you'll receive a tracking link by email. Full details on our Shipping Policy.
You have 30 days from delivery to return any unworn item with tags in its original packaging. Return postage is paid by the buyer, unless your item arrived damaged, wrong, or never arrived — in those cases we replace it or refund you in full and cover the postage.
Approved refunds go back to your original payment method within 5–10 business days. See the full Refund Policy.
Available sizes are listed on this page. Between sizes? Email us and we will help you choose. Colors may vary slightly between screens and batches. Natural variation in materials is part of the character, not a defect.
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