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Bosch VR7SI332S Spark Plug
| Brand | Bosch VR7SI332S |
|---|---|
| Center Electrode Core Material | Nickel-Yttrium and Copper |
| Center Electrode Tip Material | Platinum-Iridium |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Copper |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Standard |
| Ground Electrode Tip Material | Platinum-Iridium and Nickel-Yttrium and Copper |
| Hex Size | 14 |
| Insulator Material | Ceramic |
| Insulator Type | Projected |
| Manufacturer Heat Range | 8 |
| Outdoor Power Equipment Application | No |
| Package Contents | Spark Plug |
| Pre-Gap Size | .7 |
| Product Length | 3.320866 in |
| Product Width | 0.669291 in |
| Reach | 26.5 |
| Resistance | 6000 |
| Resistor | Yes |
| Seat Type | Flat |
| Short Style | No |
| Spark Plug Type | 4-Cycle |
| Thread Diameter | 12 |
| Product line | OE Fine Wire Iridium |
| Fits | Smart · 2 vehicles |
OE fine-wire iridium. Bosch OE spark plug technology for strong performance and long service life.
Platinum-iridium tips. Durable electrode materials help maintain consistent firing over time.
Projected insulator. Promotes efficient combustion in a 4-cycle spark plug design.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Bosch OE Fine Wire Iridium Spark Plug
Bosch VR7SI332S is an OE Fine Wire Iridium spark plug built for steady ignition performance and extended service life. It uses an ultra-fine iridium center electrode firing pin to support consistent spark delivery in demanding engine conditions. This Bosch spark plug is a direct-fit style option for select applications, including 2016-2017 Smart Fortwo.
OE Fine Wire Iridium Design
The Bosch OE Fine Wire Iridium line focuses on OE-style ignition performance with durable electrode materials and a projected ceramic insulator design. Part number VR7SI332S features a 12 mm thread diameter, 26.5 mm reach, 14 mm hex size, flat seat, resistor design, and a 0.7 pre-gap. The platinum-iridium center electrode tip and platinum-iridium/nickel-yttrium/copper ground tip materials support stable ignition characteristics in modern 4-cycle engines.
- Fits 2016-2017 Smart Fortwo, N/A
- OE Fine Wire Iridium construction for consistent ignition performance
- Resistor spark plug with 6000 resistance specification
- Projected ceramic insulator for OE-style combustion chamber placement
- Standard ground electrode configuration with copper core material
- Part number VR7SI332S for application matching and catalog lookup
Vehicle Fitment and Application
Compatible With 2016-2017 Smart Fortwo applications that call for Bosch VR7SI332S. This spark plug is suited for drivers searching for a Smart Fortwo iridium spark plug, Bosch VR7SI332S replacement, or OE Fine Wire Iridium ignition component for 2016 Smart Fortwo and 2017 Smart Fortwo service work.
What This Spark Plug Helps Address
- Hard starting caused by worn or fouled spark plugs
- Rough idle from inconsistent ignition output
- Misfire concerns related to degraded plug electrodes
- Reduced throttle response from weak spark delivery
- Maintenance replacement for OE-style ignition service
Installation Notes and Tips
Verify the engine’s required thread diameter, reach, seat type, and heat range before installation. Check the pre-gap against the vehicle specification and inspect ignition coils, boots, and plug wells for wear or contamination during service. Use the correct torque procedure for the cylinder head material and avoid over-tightening the plug.
Quality Assurance
Bosch designs the OE Fine Wire Iridium line around OE spark plug technology and durable electrode materials for long service life and stable ignition performance. Part number VR7SI332S is built to meet the dimensional and electrical requirements listed above for the specified applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2017 | Smart | Fortwo | 0.9L | L3 | N/A | Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
| 2016 | Smart | Fortwo | 0.9L | L3 | N/A | Original Center Electrode Material is Iridium; OE Fine Wire Iridium |
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