Automotive gear oil designed for extreme pressure protection in manual gearboxes, aimed at reliable drivetrain upkeep. Enjoy greater confidence when topping up or maintaining older transmissions with straightforward, usable packaging. Is the combination of EP80W-90 formulation and Comma endorsement the right fit for your vehicle needs, and does it deliver long-term value when maintained correctly? Best Price Square Gear Oil
⚡ At a Glance
- • Viscosity & Protection: EP80W-90 grade with extreme pressure additives to support load-bearing gear contacts
- • Best for: Manual gearboxes and transmissions that accept 80W-90 or 85W-90 grades
- • Not ideal for: Applications specifying a different viscosity grade or specialised synthetic fluids
Extreme pressure EP80W-90 gear oil supplied in a 1 litre bottle with a fill tube. Recommended by Comma for uses requiring 80W-90 or 85W-90 API GL-4 and praised in reviews for chain and vehicle use.
Strong gear protection – thanks to EP80W-90 extreme pressure formulation
Labeled EP80W-90 with extreme pressure additives designed for high-contact gear surfaces, helping maintain film strength under load. The formulation aims to reduce metal-to-metal wear in manual transmissions.
Reliable wear resistance under heavy load helps prolong gearbox life and reduce service frequency.
Compatibility with GL-4 applications – with Comma recommendation for 80W-90 or 85W-90 API GL-4
Manufacturer guidance notes suitability where 80W-90 or 85W-90 API GL-4 oils are required, indicating formulation balance appropriate for many manual transmissions. Recommendation comes from Comma as stated in product details.
Useful as a direct option in vehicles specifying those viscosity/API grades, simplifying maintenance choices.
Easy filling and handling – with durable bottle and included fill tube
User feedback highlights a robust bottle construction and an included fill tube for controlled pouring into tight inlets. Bottle design reduces risk of spills during service.
Quicker, cleaner top-ups and fewer messy transfers when refilling gearboxes or lubricating chains.
✨ The 4 Key Reasons for Best Price Square Gear Oil
- Premium extreme pressure formulation – Delivers dependable wear protection under heavy loads
- Comma recommendation for GL-4 use – Suitable where 80W-90 or 85W-90 API GL-4 is specified
- Durable bottle with fill tube – Reduces spills and speeds up routine maintenance
- Proven on chains and gearboxes – User feedback reports effectiveness on vehicles and motorcycle chains
📋 Technical Details at a Glance
- Category: Automotive Parts and Accessories
- Viscosity: EP80W-90
- Gear Classification: GL5 (labelled)
- Recommended For: Applications requiring 80W-90 or 85W-90 API GL-4 (Comma recommendation)
- Volume: 1 litre
❓ Frequently Asked Questions
Q: Is this oil suitable for manual gearboxes?
A: Yes. The formulation is described as an extreme pressure gear oil intended for manual gearboxes.
Q: Can it be used where 80W-90 or 85W-90 API GL-4 is required?
A: Yes. Comma recommends it for applications requiring those viscosity grades and API GL-4 specification.
Q: Does the bottle include a fill tube for easier pouring?
A: Yes. User reviews mention a durable bottle supplied with a fill tube for controlled filling.
🏆 Our Verdict
The oil suits owners and mechanics who service manual gearboxes and older transmissions requiring 80W-90 or 85W-90 grades. EP80W-90 extreme pressure formulation combined with Comma's recommendation gives practical versatility and solid protection. User praise for durable packaging and ease of pouring suggests good long-term convenience and value for regular maintenance.
