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⚙️ Shift smarter, drive stronger — don’t get left behind!
Royal Purple 01512 Synchromax is a high-performance synthetic manual transmission fluid engineered for superior wear protection, friction reduction, and corrosion resistance. Ideal for manual transmissions, transfer cases, and 2-cycle motorcycle gearboxes, it enhances shift quality across a wide temperature range while extending oil life and maintaining gearbox cleanliness. Made in the USA with advanced Synerlec additive technology.


| Asin | B001DKTG0G |
| Best Sellers Rank | #568,040 in Car & Motorbike (See Top 100 in Car & Motorbike) #485 in Gear & Transmission Fluids |
| Brand Name | Royal Purple |
| Container Type | Jug |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,635) 4.8 out of 5 stars |
| Global Trade Identification Number | 00641330015120 |
| Included Components | Auto part, Automotive Accessories, Replacement and Performance parts |
| Item Form | Liquid |
| Item Type Name | Synchromax Qt. Transfluid |
| Item Weight | 1 Pounds |
| Liquid Volume | 1 Quarts |
| Manufacturer | Royal Purple |
| Material Type | Synthetic |
| Model Number | ROY01512 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Part Number | 01512 |
| Recommended Uses For Product | Corrosion Inhibitor |
| Specific Uses For Product | Manual transmissions, transfer cases, 2-cycle motorcycle gear boxes, wide temperature range operation, friction material compatibility, corrosion and oxidation protection |
| Unit Count | 946.35 Milliliters |
| Upc | 641330015120 |
| Viscosity | 1 |
| Warranty Description | No |
User
lubrificante
ottimo
User
冷寒時の柔らかさがある
e46m3で使っているが、燃費も良くなり、回りもスムーズです。一般的な10W-60よりも、冷寒時の粘度が低くて、素晴らしい。良い製品と感じます。
User
Bon produit
Super huile pour boîte
User
Normal, nada especial.
No he notado ninguna diferencia ni mejoría respecto al aceite de transmisión de la marca Honda. Esto quiere decir que es un producto caro para lo que ofrece.Probé un producto de una reconocida marca alemana y he notado una diferencia importante, las marchas entran mas suaves y no me cuesta meter la marcha atrás.Mi conclusión es que es un producto caro para lo que ofrece. El aceite de transmisión de la marca alemana es a mitad de precio y me va mucho mejor.
User
I should have done this sooner..
I just bought a Chevy Silverado...the one I always wanted...regular cab..short bed..4.8L V-8 and manual 5 speed...the guy I bought it from was meticulous in his servicing of it. It's a 2004 with 125,000 miles..not a squeak on it..really tight....engine sounds good..runs great...transmission the same way...I decided I was going to go with Royal Purple from one end of the drive train to the other...the engine, the transmission, and the rear end...drained the engine oil and removed filter...put on a new Royal Purple filter and 6 quarts of Royal Purple 5W-30 oil..what the factory recommends..the I drained the manual transmission oil...pit in Royal Purple Synchromax....I ran out of time to do the rear end but I will do that in the morning...took her for a spin...I thought to myself..I want to see some astonishing results like everyone else....Strike me dead with Lightning...I thought this truck was quiet and tight...I didn't realize the noises this taken away....All I can say is that I feel like I'm driving around a piece of velvet....I am so glad!!!! I decided to go with Royal Purple...I'm sold....Now for the rear end tomorrow...I'm thrilled....
Trustpilot
1 month ago
2 weeks ago