3303812012 RING SET, SYNCHRONIZER, NO.2

Precision Synchronizer Ring Set for Smooth Toyota Gear Shifts ⚙️

Why you need it

This synchronizer ring set restores clean, quiet gear changes in Toyota manual gearboxes. It matches shaft and gear speeds before the sleeve locks in, preventing crunch, grinding, and chipped dog teeth. If your shifter hesitates into 2nd or 3rd, or needs double‑clutching, this is the cure. Protects the hub, sleeve, and gear cones while returning factory shift feel.

How it works

The brass baulk ring uses a tapered friction cone to slow or speed the target gear. Friction builds a small torque that equalizes speeds; only then can the sleeve pass the blocker and engage the dogs. This “No.2” position ring typically manages mid-range gears that see daily load, so its material and clearances are critical. Correct conicity and surface finish deliver quick, positive sync every time.

When worn or broken ⚠️

Expect hard engagement, grinding on upshifts or downshifts, pop-out under load, and metallic flakes in the oil. Continued driving scuffs gear cones, rounds dog teeth, overheats the hub/sleeve, and can crack keys and springs. Fuel economy and clutch life also suffer due to longer, harsher shifts.

Pro install tips ✅

• Replace rings as a set; inspect sleeve, hub, keys, springs, and gear cones.
• Measure ring-to-cone clearance; reject glazed or grooved cones.
• Use GL-4 spec oil friendly to yellow metals; pre-lube parts on assembly.

Compatibility

• Avensis
• Caldina
• Camry
• Camry ( Sed)
• Camry (Sed)
• Camry (Wg)
• Camry/Vista
• Carina Ed
• Carina Ff
• Celica
• Corolla
• Corolla Sed/Wg
• Corolla Wagon
• Corona
• Corona Exiv
• Curren
• Lvn/Cre/Trn/Mrn
• Mr2
• Rav4
• Solara
• Sprinter
• Sprinter Carib