Automotive funnel for diesel that makes emergency refuelling and adding fuel additives straightforward. Compact and robust, Laser Fuel & Additive Funnel reassures drivers who dislike messy refills. Is it the sensible kit to keep in a van or the boot for roadside top-ups?
⚡ At a Glance
- • Outlet Diameter: 24.5mm outlet, for diesel fuel fillers only
- • Best for: Drivers needing a simple solution for emergency diesel refuelling and adding additives
- • Not ideal for: Owners of petrol vehicles without the petrol-specific funnel (see Laser part 8020)
Diesel-only fuel and additive funnel with a 24.5mm outlet. Manufactured from polypropylene and supplied as a single funnel component.
Durable workshop use - with polypropylene construction
Manufactured from polypropylene, the body resists exposure to diesel and common additives while remaining rigid under repeated handling. The material tolerates typical garage and roadside conditions without cracking.
Robust construction stands up to frequent use in workshops or for roadside topping-up, reducing the need for replacements.
Quick emergency refuelling - thanks to compatibility with diesel filler necks
Designed specifically for diesel fuel fillers, the 24.5mm outlet aligns with many filler neck dimensions and can pass through anti-siphon caps in numerous vehicles. The single-piece shape supports a controlled pour.
Enables faster, neater top-ups at the roadside or on site, lowering spill risk and saving time when a top-up is essential.
Neat additive dosing - with a funnel suited to fuel treatments
Intended for adding treatments such as Cataclean, the funnel directs fluid into the filler neck so additives go straight where needed. The design reduces splash-back during transfer.
Makes adding fuel cleaners and conditioners less messy and more accurate, helping preserve fuel-system maintenance routines.
✨ The 4 Key Reasons for Laser Fuel & Additive Funnel
Polypropylene construction - Durable material resists fuel and repeated handling in harsh workshop conditions
Fits anti-siphon caps - Allows through-cap access for many modern diesel filler necks
Additive-ready design - Keeps additive transfer tidy with minimal spillage during dosing
Compact single-component - Easy to store in a glovebox or roadside kit
📋 Technical Details at a Glance
- Category: Automotive Parts and Accessories
- Brand: Laser
- Model / Part Number: 8021
- Material: Polypropylene
- Outlet Diameter: 24.5mm
❓ Frequently Asked Questions
Q: Is this funnel suitable for petrol vehicles?
A: No, the funnel is for diesel fuel fillers only; a petrol version is available under Laser Part No. 8020.
Q: What is the outlet diameter and will it fit anti-siphon caps?
A: The outlet diameter is 24.5mm, and user feedback reports that it fits through many anti-siphon caps for diesel fillers.
Q: What material is the funnel made from and what is included?
A: Manufactured from polypropylene, the pack includes the Fuel & Additive Funnel - Diesel as the single component.
🏆 Our Verdict
Ideal for drivers, mechanics and fleet operators who need a simple, reliable tool for diesel top-ups and additive dosing. A straightforward diesel-only funnel with a 24.5mm outlet and polypropylene construction that reduces spill risk and stands up to frequent use. Practical and long-lasting, it makes a useful addition to a boot, van or roadside kit and delivers clear day-to-day value.
