HomeEngine > Valve Train ComponentsINA ZT-9-5243 Engine Timing Belt Idler - Right
Part #: ZT-9-5243

INA ZT-9-5243 Engine Timing Belt Idler - Right

Right
⚙️ 12 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: INFINITI and Nissan, 300ZX and J30
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Engine Timing Belt Idler for Nissan and INFINITI

INA ZT-9-5243 is an engine timing belt idler for timing drive service on select Nissan and INFINITI applications. It is built for accurate belt routing and steady power transmission in the valve train, helping maintain correct gear ratios in the timing system.

Compatible With 1993-1997 INFINITI J30, right, and 1990-1996 Nissan 300ZX, right. Part number ZT-9-5243 is also referenced under INA Global Number 531 0638 200.

Key Features

  • Engine timing belt idler for the timing drive
  • Supports proper belt tracking and rotation in the valve train
  • Application-specific fitment for right-side installation
  • Built for reliable operation with low maintenance requirements
  • Cross-reference: 5310638200

Application Details

This INA timing belt idler is used in timing drive repair and replacement work where consistent belt guidance is required. It is a direct-fit service part for the Nissan 300ZX and INFINITI J30 applications listed above, and ZT-9-5243 should be matched to the vehicle position and engine timing layout before installation.

What It Helps Address

  • Timing belt noise from a worn idler bearing
  • Uneven belt tracking in the timing system
  • Incorrect belt tension path caused by a damaged idler
  • Service needs during timing belt maintenance on Nissan 300ZX and INFINITI J30 models
  • Replacement of a timing belt idler with excessive wear or rough rotation

Installation Notes

Verify right-side placement, belt routing, and engine timing marks before installation. Replace the idler during timing belt service when wear, noise, or bearing roughness is present. Confirm fitment by year, make, model, and position before ordering ZT-9-5243.

Quality Assurance

INA supplies timing drive components for repair solutions focused on correct gear ratios, dependable operation, and reduced maintenance demands. ZT-9-5243 is engineered for timing system service on the listed Nissan and INFINITI vehicles.

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1997INFINITIJ303.0LV6RightINA Global Number 531 0638 200; Idler Right
1996INFINITIJ303.0LV6RightINA Global Number 531 0638 200; Idler Right
1996Nissan300ZX3.0LV6RightINA Global Number 531 0638 200; Idler Right
1995INFINITIJ303.0LV6RightINA Global Number 531 0638 200; Idler Right
1995Nissan300ZX3.0LV6RightINA Global Number 531 0638 200; Idler Right
1994INFINITIJ303.0LV6RightINA Global Number 531 0638 200; Idler Right
1994Nissan300ZX3.0LV6RightINA Global Number 531 0638 200; Idler Right
1993INFINITIJ303.0LV6RightINA Global Number 531 0638 200; Idler Right
1993Nissan300ZX3.0LV6RightINA Global Number 531 0638 200; Idler Right
1992Nissan300ZX3.0LV6RightINA Global Number 531 0638 200; Idler Right
1991Nissan300ZX3.0LV6RightINA Global Number 531 0638 200; Idler Right
1990Nissan300ZX3.0LV6RightINA Global Number 531 0638 200; Idler Right

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

5310638200

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.