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BOSCH 9654 OE Fine Wire Double Iridium Spark Plug - Single

BOSCH 9654 OE Fine Wire Double Iridium Spark Plug - Single

Q: Do they work efficiently on 2005 5.7 v8 hemi engines made by chrysler? 05 hemi v8s are known to have champion copper plus spark plugs proclivity. t.y.

Hi Edward: Bosch (9654) work for the 2005 Chrysler 5.7 V8 hemi engine. They are fine wire double Iridium lasting up to 4x longer than the copper plugs. Iridium and platinum are not as efficient or conductive as copper, and both of these metals are prone to overheating. As long as they do not overheat, they do last longer than copper spark plugs. Although copper has the shortest lifespan, it is generally considered the best material for a central electrode because of its excellent conductivity.

Q: What is the difference between the Bosch 9654 and 9664?

One is prolly hotter/cooler than the other and or is more/less protruding into the combustion chamber than the other. Best advice: follow the recommendations on the application charts.

Q: Will these work in a 03 Dodge Ram with a 5.7L hemi

Yes they will work on your 03 Dodge Ram 5.7L Hemi. I personally would stick with the original spark plug manufacturer that your truck came with (Champion). They also have Iridium plugs (9403 Champion Iridium).

3.8/5

Product ID: 1741462

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Details

Brand
Bosch
Core Material
Iridium
Top Material Type
Nickel
Vehicle Service Type
UTV
Global Trade Identification Number

⏳4X longer lifespan

⚡24% less voltage needed

🔩Nickel-plated corrosion resistance

Description

⚡ Ignite your drive with Bosch’s double iridium power!

PLUG AND PLAY READY - Factory pre-gapped for effortless, time-saving installation
OE FITMENT GUARANTEED - Meets or exceeds original equipment specs for modern GDI engines
LASER WELDED PRECISION - 360° welding ensures unmatched ignitability and strength
CORROSION RESISTANT THREADS - Nickel-plated rolled threads eliminate anti-seize hassle
ULTRA FINE DOUBLE IRIDIUM DESIGN - Dual iridium electrodes for peak performance and durability

The Bosch 9654 OE Fine Wire Double Iridium Spark Plug features a 360-degree laser-welded ultra-fine iridium firing pin and ground electrode, delivering 4X longer life and 24% reduced voltage requirements compared to standard plugs. Nickel-plated rolled threads resist corrosion and require no anti-seize, while factory pre-gapping ensures quick installation. Designed to meet or exceed OE standards, it’s optimized for modern gasoline and GDI engines, compatible with select Chrysler, Dodge, and Jeep models.

Specifications

Brand	Bosch
Core Material	Iridium
Top Material Type	Nickel
Vehicle Service Type	UTV
Global Trade Identification Number	00028851013727
UPC	028851013727
OEM Part Number	9654
Manufacturer	Bosch Automotive
Model	Spark Plug
Item Weight	0.8 ounces
Product Dimensions	4.2 x 4.1 x 1 inches
Item model number	9654_1
Exterior	Machined
Manufacturer Part Number	9654

Have a Question? See What Others Asked

Do they work efficiently on 2005 5.7 v8 hemi engines made by chrysler? 05 hemi v8s are known to have champion copper plus spark plugs proclivity. t.y.

What is the difference between the Bosch 9654 and 9664?

Will these work in a 03 Dodge Ram with a 5.7L hemi

is $5.00 for one plug or a pack? How many in a pack?

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago