HomeEngine > Hardware, Fasteners and FittingsINA ZG50035 Engine Oil Pump Chain Tensioner Spring
Part #: ZG50035

INA ZG50035 Engine Oil Pump Chain Tensioner Spring

⚙️ 8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Smart, Cabrio, City-Coupe, Crossblade, Fortwo, and Roadster
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INA Engine Oil Pump Chain Tensioner Spring ZG50035

INA ZG50035 is an engine oil pump chain tensioner spring for select Smart applications. It is built to meet OE quality and performance expectations, with plastic material formulated to match OEM PA66 and PA46 grade hardness requirements.

Key Features

  • Engine oil pump chain tensioner spring for timing system service
  • INA replacement part number ZG50035
  • OE-quality construction for consistent fit and function
  • Plastic material engineered to OEM PA66 and PA46 grade hardness
  • Direct fit for select Smart Fortwo, Cabrio, City-Coupe, Crossblade, and Roadster models

Detailed Description

This INA engine oil pump chain tensioner spring is made for select Smart vehicles that use the listed OE-style application. It is a practical replacement for timing chain guide and tensioning service where correct material hardness and dimensional consistency matter. This part number, ZG50035, also cross-references INA Global Number 555 0035 100 for the same application.

Compatible With: Fits 2005-2007 Smart Fortwo, N/A; Fits 2004-2005 Smart Cabrio, N/A; Fits 2004 Smart City-Coupe, N/A; Fits 2004 Smart Crossblade, N/A; Fits 2004 Smart Roadster, N/A. Search terms such as Smart Fortwo engine oil pump chain tensioner spring, Smart Cabrio timing chain guide replacement, and INA ZG50035 help identify the correct part for these vehicles.

Common Repair Uses

  • Replacing a worn or fatigued chain tensioner spring
  • Restoring proper chain guide tension in the oil pump drive system
  • Addressing timing chain noise related to tension loss
  • Correcting fitment issues during engine hardware service
  • Servicing OE-style timing components on Smart models

Installation Notes and Tips

Verify the vehicle year, model, and OE reference before installation. Compare the removed component to ZG50035 and confirm the application matches the Smart Fortwo, Cabrio, City-Coupe, Crossblade, or Roadster listing. Clean the surrounding engine hardware during service and inspect related chain components for wear before reassembly.

Quality Assurance

INA states that its timing chain guides are engineered to meet or exceed OE quality and performance standards, with plastic material matched to OEM PA66 and PA46 grade hardness requirements.

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2007SmartFortwo0.7LL3N/AINA Global Number 555 0035 100
2006SmartFortwo0.7LL3N/AINA Global Number 555 0035 100
2005SmartCabrio0.7LL3N/AINA Global Number 555 0035 100
2005SmartFortwo0.7LL3N/AINA Global Number 555 0035 100
2004SmartCabrio0.7LL3N/AINA Global Number 555 0035 100
2004SmartCity-Coupe0.7LL3N/AINA Global Number 555 0035 100
2004SmartCrossblade0.6LL3N/AINA Global Number 555 0035 100
2004SmartRoadster0.7LL3N/AINA Global Number 555 0035 100

* 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:

5550035100

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