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BOSCH 9659 OE Fine Wire Double Iridium Spark Plug - Single
✅ In stock
D
Grade
Analysis Confidence
63%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Oct 30, 2026 10:16 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
😐 Weak Deal- 😐Verdict: Weak Deal. Marginal discount. Prices may drop further soon.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️The listed retail price is trimmed by 3% at checkout.
- 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
3.36/28
Recent Value
3.14/22
Market Standing
16.84/20
Deal Strength
7/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Newparts
🚚 Shipping
Free Shipping
Product Details
✓Bosch Double Iridium Spark Plugs feature both an iridium firing pin and an iridium ground electrode inlay that offer higher performance and 4X longer life compared to standard copper spark plugs
✓360-degree laser welded ultra-fine wire iridium firing pin provides better ignitability - reducing voltage requirements up to 24% - and enhanced durability
✓Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize - making installation quick and easy
✓Bosch Double Iridium spark plugs are pre-gapped at the factory and ready to install right out of the box - gap adjustment prior to installation not required
✓Meets or exceeds manufacturer design requirements for OE fit, form, and function for modern gasoline engines - including Gasoline Direct Injection (GDI) engines
✓Compatible with select vehicles from the following manufacturers (Note: year, make, model, and engine affects fitment - verify specific fitment details with amazon confirmed fit fit checker above): 1968-93 Buick; 1980-92 Cadillac; 1970-95 Chevrolet
✓Compatible with (continued): 1976-90 Dodge; 1964-98 Ford; 1971-95 GMC; 1970 Jeep; 1980-92 Lincoln; 1970-93 Mercury; 1977-94 Oldsmobile; 1976-77 Plymouth; 1972-92 Pontiac
⚙️ Specifications
Brand
Bosch
Core Material
Iridium
Thread Size
14mm
Top Material Type
Nickel
Vehicle Service Type
Car, Truck
Brand Name
Bosch
Manufacturer Part Number
9659
Global Trade Identification Number
00028851034319
UPC
028851034319
OEM Equivalent Part Number
9659
Model Number
9659_1
