6x DENSO Iridium Spark PLUGS IKBH20TT for Lexus GS300 GS350 IS250 IS350 GS450H
$104.95
Sale price
$104.95
Regular price
Skip to product information
6x DENSO Iridium Spark PLUGS IKBH20TT for Lexus GS300 GS350 IS250 IS350 GS450H
$104.95
Sale price
$104.95
Regular price
Not 100% sure it fits? Some parts are very model-specific. Message us with your rego or VIN and we'll confirm the right part before you buy.
30-Day Returns
Change of mind welcome
Tracked Shipping
Australia-wide
Secure Checkout
SSL encrypted
Easy ways to pay
ShopPay
Pay
PayPal
afterpay
VISA
G Pay
Multi-buy discount
Buy 2 save 5%
Buy 3 save 10%
Buy 4+ save 15%
On multiples of this item — applied automatically at checkout
Not quite the right part?
Tell us your car and we’ll check the warehouse — replies within 12 hours.
Request a part
DENSO — Spark Plug
DENSO Spark Plug. Supplied brand new. 6x DENSO IRIDIUM SPARK PLUGS IKBH20TT for Lexus GS300 GS350 IS250 IS350 GS450H.
Brand: DENSO • Part #: IKBH20TT • Quantity: 6 plugs (full set)
Upgrade your Lexus ignition with DENSO’s Iridium TT (Twin-Tip) technology. A fine-wire iridium center and platinum-tipped ground deliver a strong, consistent spark for smooth idle, crisp throttle response, and long service life.
What’s Included
- 6 × Genuine DENSO IKBH20TT Iridium TT Spark Plugs (brand new, sealed)
Highlights
- Iridium TT twin-tip design for excellent ignitability and fuel efficiency
- Long service life vs. standard nickel/copper plugs
- Corrosion-resistant shell and OE-style construction
- Factory pre-set gap (check your service manual and adjust only if specified)
Typical Specifications (reference)
Install Tips
- Replace on a cold engine.
- Torque to manufacturer spec (do not over-tighten).
- If your manual specifies a non-standard gap, adjust carefully.
- Refit coils/leads and test.
Condition & Warranty
- Genuine DENSO – brand new
- Backed by manufacturer warranty against defects
Product Details
| Brand | DENSO |
| Type | Spark Plug |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Ir |
| Diameter Center Electrode (mm) | 0.4Ir |
| Electrode Gap (in mm) | 1 |
| Ground Electrode Material | 0.7Pt |
| Hex Size (mm) | 16 |
| Thread Diameter (mm) | 14 |
| Thread Length (mm) | 26.5 |
| Thread Pitch (mm) | 1.25 |
| Tightening Angle | 1/2 turn |
| Tightening Torque (Nm) | 20-153 |
Vehicle Fitment
| Make | Model | Series | Years |
|---|---|---|---|
| Lexus | GS | GS300 |
- Lexus GS300 / GS350 (selected years/markets)
- Lexus IS250 / IS350 (selected years/markets)
- Lexus GS450h (selected years/markets)
Fitment can vary by year/engine/market. To ensure compatibility, please match by plug code IKBH20TT / your engine’s service spec or send us your VIN/reg and we’ll confirm.
Not 100% sure this fits? Some parts are very specific to a model or build, and any years/engine shown are a guide only. Please confirm this part suits your exact vehicle before purchasing — contact us with your rego or VIN and we'll check it for you.
Why Buy From Turbo Parts
- Trusted Australian seller with fast dispatch
- Quality aftermarket parts at a fair price
- Friendly support — message us with any fitment questions
Postage & Returns
Fast dispatch from our Melbourne warehouse. Tracked Australia-wide courier delivery. 30-day returns on unused items in original packaging.