what is the gap preset on these spark plugs in inches?

Most Bosch Spark Plugs are factory pre-gapped for popular vehicle applications. The gap measurements are indicated either on the box, or by the part number located on the spark plug shell. X suffix = .044" Y suffix = .060" Z suffix = .080". However, it must be noted that wire-tip or needle-tip plugs can afford to have larger gaps as the spark occurs at a lower voltage if one end is pointed, leading to a wider spark and better combustion of the fuel-air mixture. Gaps should never be adjusted on the OE-Fine Wire-tipped plugs - should never be gapped by the installer. Attempts to do so might damage the plug/the delicate tip. What is more important is all the plugs should have equal gaps, or there might be engine knocking and vibrations.

Will this work for Lawnmower ?

Only if your lawn mower has a 2.2L 4 cylinder engine.

14mm socket is standard - 10mm and 12mm are less common, found in only some motorcycles. What is more important is the thread reach - too little or too much are both bad. Amazon has a nice system of selecting the vehicle and showing which plugs fit that vehicle. Bosch has a similar system at BoschAutoParts.com. Remember to NEVER gap-adjust iridium plugs.

Will this work for honda crv 2016?

Bosch 9603 does not fit the 2016 Honda CR-V. The correct Bosch spark plug for this application is 96310. Thank you for your question.

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BOSCH 9603 OE Fine Wire Double Iridium Spark Plug - Single

BOSCH 9603 OE Fine Wire Double Iridium Spark Plug - Single

Product ID: 1252984

Details

Brand
Bosch
Core Material
Iridium
Thread Size
1.25mm
Top Material Type
Nickel
Vehicle Service Type
Car

⏳4X longer lifespan

⚡24% less voltage needed

🔩Nickel-plated corrosion resistance

A$22

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Description

⚡ Power your drive with Bosch’s double iridium spark—where performance meets longevity!

BUILT TO LAST - Double iridium electrodes deliver 4X the durability of standard copper plugs—upgrade your maintenance game.
OE PERFECT FIT - Engineered to meet or exceed manufacturer specs, including Gasoline Direct Injection (GDI) compatibility.
TRUSTED BY PROS - Bosch quality with a 4.6-star rating from 878 users—join the community of drivers who demand reliability.
IGNITE WITH PRECISION - 360° laser-welded ultra-fine iridium wire for unmatched ignitability and engine responsiveness.
EFFORTLESS INSTALLATION - Pre-gapped and nickel-plated rolled threads mean no anti-seize needed—get back on the road faster.

Bosch 9603 OE Fine Wire Double Iridium Spark Plug features dual iridium electrodes and a 360-degree laser-welded ultra-fine wire design that reduces voltage requirements by up to 24% and lasts 4 times longer than standard copper plugs. Pre-gapped and nickel-plated for corrosion resistance, it ensures easy installation without anti-seize. Designed for OE fit and compatible with modern GDI engines, it’s a top-rated, durable upgrade trusted by professionals and enthusiasts alike.

Specifications

ASIN	B00515NH4K
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#326,641 in Automotive ( See Top 100 in Automotive ) #1,806 in Automotive Replacement Spark Plugs
Brand Name	Bosch
Compatible with Vehicle Type	Car
Core Material	Iridium
Customer Reviews	4.6 4.6 out of 5 stars (879)
Global Trade Identification Number	00028851010375
Included Components	spark plug
Item Type Name	Spark Plug
Item Weight	0.05 Pounds
Manufacturer	Bosch Automotive
Manufacturer Part Number	9603
Manufacturer Warranty Description	Limited
Model Number	9603_1
OEM Equivalent Part Number	9603
Thread Size	1.25mm
Top Material Type	Nickel
UPC	028851010375
Unit Count	1.0 Count

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A$22

Duties & taxes included

In stock

Sold byAmazon AustraliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Australia.

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TrustScore 4.5 | 7,300+ reviews

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