1635650120 Toyota JOINT, WATER BY-PASS, REAR, Price: 59.82$, Weight: 0.365kg


Make Number Name Availability Weight, kg Ship in, Days Price

Toyota

1635650120

JOINT, WATER BY-PASS, REAR

10

0.365

2-3

59.82$

 

Originals

Make Number Name Availability Weight, kg Processing, days Price  
Toyota
1635650120 
JOINT, WATER BY-PASS, REAR
10
0.42
 Dispatch 24h
71.78$
 

Compatibility

DescriptionModelOptionsProd PeriodDiagram
GRN21#,UZN21#UZN215L-GKAZKAATM,MTM: AUTOMATIC TRANSMISSION; Grade: LIMITED TYPE; Gear Shift Type: ATM, 5-SPEED FLOOR SHIFT; Engine: (2UZFE) 4700CC 32-VALVE DOHC EFI08.2002 - 08.2009 View
DescriptionModelOptionsProd PeriodDiagram
HDJ101,UZJ100UZJ100W-GNPZKATM,MTM: AUTOMATIC TRANSMISSION; Grade: CYGNUS TYPE; Gear Shift Type: ATM, 4-SPEED FLOOR SHIFT; Engine: (2UZFE) 4700CC 32-VALVE DOHC EFI01.1999 - 08.2002 View
DescriptionModelOptionsProd PeriodDiagram
FZJ10#,HDJ100,HZJ105,UZJ100UZJ100R-GNPEKQATM,MTM: AUTOMATIC TRANSMISSION; Driver's Position: RIGHT-HAND DRIVE VEHICLES; Grade: VX TYPE; Fuel Induction: ELECTRIC FUEL INJECTION SYSTEM; Gear Shift Type: ATM, 4-SPEED FLOOR SHIFT; Engine: (2UZFE) 4700CC 32-VALVE DOHC EFI; Destination: AUSTRALIA01.1998 - 08.2000 View
DescriptionModelOptionsProd PeriodDiagram
UCK35,45UCK45L-GKSSKAGrade: SR5 TYPE; Gear Shift Type: ATM, 4-SPEED COLUMN SHIFT; Engine: (2UZFE) 4700CC 32-VALVE DOHC EFI09.2000 - 08.2004 View
DescriptionModelOptionsProd PeriodDiagram
GSK30,UCK3#,4#,VCK30,40UCK41L-PRSSKKATM,MTM: AUTOMATIC TRANSMISSION; Cab: DOUBLE CAB; Grade: SR5 TYPE; Deck: STANDARD DECK; Gear Shift Type: ATM, 4-SPEED COLUMN SHIFT; Engine: (2UZFE) 4700CC 32-VALVE DOHC EFI; Destination: CANADA10.2003 - 08.2004 View

Rear Coolant By‑Pass Joint

This rear coolant by‑pass joint is a small but critical connector in the engine cooling circuit. It is needed to link coolant passages at the back of the engine where space is tight, keeping flow stable between hoses/pipes and the water jacket. A good joint helps the cooling system hold pressure, prevent air entry, and maintain correct operating temperature under load.

How It Works ⚙️

Coolant is pushed by the water pump through the block and heads. This joint forms a sealed bridge for a secondary “by‑pass” route, allowing controlled circulation and smooth pressure balance. With proper sealing surfaces and clamps, it prevents seepage and keeps the thermostat and heater circuits behaving normally.

Why Replacement Matters ✅

Over time, heat cycles and coolant additives can weaken the material and sealing edges. Once the joint warps, cracks, or corrodes, it can no longer seal correctly, even with a new hose.

If It’s Broken

  • Coolant leaks at the rear of the engine
  • Sweet coolant smell, steam, or crusty residue
  • Overheating in traffic or while towing
  • Low coolant warnings and frequent top‑offs
  • Risk of engine damage from repeated overheating

Compatible Models

  • 4Runner
  • Land Cruiser
  • Land Cruiser 100
  • Sequoia
  • Tundra