Archoil AR6500 Diesel Treatment
(40 oz) Treats 400 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit…
Price as of 2026-06-03. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$3–$10
- Mid-range:$10–$26
- Premium:$26+← You are here
Is This Right For You?
- •Buyers who prioritize quality over price in Fuel Additives
- •Those who want a top-rated option — in the top 1% of Fuel Additives by rating
- •You're on a tight budget — $25 above the category average of $20
- •Hot Shot's Secret Diesel Extreme 32 oz — 59% cheaper at $18 (Score A-)
📊 Based on data analysis of 53 products in this category.
Mubboo Score: B
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other Fuel Additives
Computed from live Amazon rating, review count, and price across 53 Fuel Additives available to US consumers · last refreshed 2026-06-03.
How It Compares
This Product Archoil AR6500 Diesel Treatment | Most Popular Chevron 67740-CASE Techron Concentrate Plus Fuel System | Best Rated STAR BRITE Star Tron Enzyme Fuel Treatment Concentrate | Best Value Hot Shot's Secret Diesel Extreme 32 oz | |
|---|---|---|---|---|
| Price | $44.95 | $39.98 | $19.19 | $18.25 |
| Rating | 4.8/5 | 4.6/5 | 4.8/5 | 4.7/5 |
| Reviews | 1,927 | 16,871 | 9,871 | 3,960 |
| Mubboo Score | B | B+ | A- | A- |
Quick Specs
- Item Weight
- 2.99 pounds
- Manufacturer
- Archoil
- Customer Reviews
- 4.8 out of 5 stars
- Best Sellers Rank
- #214 in Automotive (See Top 100 in Automotive)#2 in Diesel Additives
- Item model number
- AR6500-40
- Package Dimensions
- 14.29 x 7.8 x 3.31 inches
- Date First Available
- November 1, 2021
- Manufacturer Part Number
- AR6500-40
What People Say
Synthesized from 40 reviews · 100% verified purchases.
For maximum cleaning power, choose a product with high PEA content like Red Line SI-1 or Chevron Techron, but expect to use multiple treatments for severe deposits. For long-term storage, use a dedicated stabilizer such as STA-BIL or Star Tron to prevent gum and starting problems.
- Improved engine performance and smoothness
- Effective fuel system cleaning and deposit removal
- Ease of use
- Fuel economy improvement
- Long-term fuel stabilization for storage
- High price and recent price increases
- Packaging issues during shipping
Expert Picks in Fuel Additives
- Chevron Techron Concentrate Plus Complete Fuel System Cleaner — Best fuel injector cleaner overall
- Lucas Upper Cylinder Lubricant and Injector Cleaner — Best fuel injector cleaner for diesel engines
- Gumout Regane High Mileage Fuel System Cleaner — Best fuel injector cleaner for high-mileage cars, engines and vehicles
- Royal Purple Max Atomizer Fuel Injector Cleaner — Best fuel injector cleaner for direct-injection cars and engines
Category recommendations from independent expert publications. Source links in References.
Related Video Reviews
- 📹 The TRUTH About DIESEL ADDITIVES…Scam or Science? — Freedom Worx
- 📹 STOP Buying Diesel Fuel Additives - Here's Why! — The Motor Oil Geek
- 📹 Redline SI-1 vs Techron — Which One Is Actually Worth Your Money? | Fuel System Cleaner Finals — Chris from Beachside Auto Parts
Key Features
- ✦EASY USE AT EVERY FILL-UP: Add directly to the fuel tank at each fill-up. The long neck and measuring chamber make treating fuel simple. One 40 oz bottle treats up to 400 gallons
- ✦FOR ALL DIESEL ENGINES: Suitable for use in all diesel vehicles and equipment - light-duty, heavy-duty, pickup, SUV, van, RV, etc. (including modern HPCR systems)
- ✦IMPROVES LUBRICITY (ASTM D6079): Tested to improve lubricity by 43% to help protect fuel system components, including wear-sensitive parts like the CP4 pump
- ✦BOOSTS CETANE UP TO +8: Raises cetane up to 8 points for faster ignition, smoother combustion, and improved drivability; many engines run best around 48–50 while pump diesel is oft…
- ✦CLEANS INJECTORS: AR6500's detergent package removes injector deposits and restores spray patterns for improved atomization, supporting better performance and fuel economy
Source: product listing on Amazon.
If not the AR6500 Diesel Treatment, consider these
Bottom Line
Archoil AR6500 Diesel Treatment earns Mubboo Score B. Priced at $45 — a premium option, above the category average of $20. Rated 4.8/5 from 1,927+ reviews. Strong buy if: buyers who prioritize quality over price in fuel additives, those who want a top-rated option. Skip if: you're on a tight budget — Chevron 67740-CASE Techron Concentrate Plus Fuel System (Score B+, $40) may fit better.
Frequently Asked Questions
Is the Archoil AR6500 Diesel Treatment worth buying in 2026?
It earns a Mubboo Score of B, with a 4.8/5 rating from 1,927 reviews — better than 100% of Fuel Additives we track.
How much does the Archoil AR6500 Diesel Treatment cost?
It is currently $44.95 — premium-tier pricing for Fuel Additives.
How does the AR6500 Diesel Treatment compare to other Fuel Additives?
The category's most-reviewed alternative is the Chevron 67740-CASE Techron Concentrate Plus Fuel System (4.6/5, 16,871 reviews, $39.98). The AR6500 Diesel Treatment carries a Mubboo Score of B vs B+.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-03) and may change.