NGK 4551 / BR9HS10 NGK standard plugs are constructed for longer life and optimum performance. Trivalent metal plating provides superior anti-corrosion and anti-seizing properties. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer. Copper core aids in heat removal. Triple seals prevent leakage.
* Please review the pictures listed to ensure this is the part you need *
* Any fitment data given in this listing is a guideline ONLY, please verify that this part is an exact fit for your specific vehicle and options *
Part Number: BR9HS-10
Material Grade: Nickel/Copper
Resistance (Ohms): 5000.0
Ground Electrode Tip Design: Standard
Ground Configuration: J-Gap
Ground Electrode Core Material: Nickel
Washer Included: Yes
Electrical Terminal Type: Removable Nut
Center Electrode Core Material: Copper
Center Electrode Tip Material: Nickel
Pre-Gap Size (IN): .040
Pre-Gap Size (MM): 1.0
Ground Electrode Quantity: 1
Hex Size: 13/16"
Insulator Height (IN): 2.14
Insulator Height (MM): 54.3
Manufacturer Heat Range: 9
Seat Type: Flat
Reach (IN): 0.500
Reach (MM): 12.7
Thread Diameter (IN): 0.551
Thread Diameter (MM): 14.0
Insulator Material: Ceramic
Resistor Type: Yes
Ground Electrode Tip Material: Nickel
Skirt: No
Center Electrode Insulator Tip Projection (IN): 0.04
Center Electrode Insulator Tip Projection (MM): 1.0
Center Electrode Design: Standard
Washer Type: Crush
Center Electrode Projection: Non-Projected
Grade Type: Standard Replacement
These spark plugs are compatible with Mercury:
- 7.5 HP 75; L2 7.5 HP (1985�1989)
- 9.8 HP 9.8; L2 9.8 HP (1985�1989)
These spark plugs are compatible with Yamaha:
- 130 HP 130; V4 130 HP (2004�2008)
- 130 HP L130; V4 130 HP (2001�1989)
- 130 HP S130; V4 130 HP (1999�1988)
- 200 HP P200; 3.1L V6 200 HP (1995�1991)
- 225 HP 225 Excel; 2.6L V6 225 HP (1995�1987)
- 225 HP 225; 2.6L V6 225 HP (1995�1987)
- 225 HP X225; 3.1L V6 225 HP (1999�1994)
- 225 HP L225; 3.1L V6 225 HP (1999�1994)
- 225 HP LX225; 3.1L V6 225 HP (1999�1997)
- 225 HP S225; 3.1L V6 225 HP (1999�1994)
- 225 HP SX225; 3.1L V6 225 HP (1999�1997)
- 225 HP V225; 3.1L V6 225 HP (2001�1997)
- 225 HP V6 Excel; 2.6L V6 225 HP (1989�1987)
- 225 HP VX225; 3.1L V6 225 HP (2004�1997)
- 250 HP L250; 3.1L V6 250 HP (1999�1997)
- 250 HP LX250; 3.1L V6 250 HP (1999�1997)
- 250 HP S250; 3.1L V6 250 HP (1999�1997)
- 250 HP SX250; 3.1L V6 250 HP (2003�1997)
- 250 HP VX250; 3.1L V6 250 HP (2004�2002)
| MPN | 4551 BR9HS10 |
| OEM # | 4551 BR9HS10 |
| Other # | 4551-6K 4551 |
| Details | Please review the pictures listed to ensure this is the exact part you need. |
| We recommend you check with your dealer for exact fitment for your specific vehicle. | |
| Notes |
We are committed to 100% customer satisfaction. If you are unsatisfied with your purchase please do not hesitate to contact us, we will work to resolve any problem.
Thank you for shopping with OverstockDirect!
Our return policy is fairly simple and very up front.
If you make an error and buy the wrong item or change your mind, you are responsible for paying for the return shipping costs and may be charged a restock fee that is equivalent to the original shipping cost. Please contact us prior to making a return and we can let you know what the restock fee will be and if it will be charged.
Most items can be returned within 30 days of receipt of shipment in most cases.
- We cannot accept items that have been installed, used or tried. Returned items must be re-sellable.
- Please include a copy of the invoice.
- Items must be returned in their ORIGINAL, OEM PACKAGING that they were received in.
- We do NOT charge restocking fees for items that are found to be defective.
- We do NOT charge restocking fees if we shipped you an item that doesn't match the listing
- Electrical parts are not returnable.
Your recommended responsibility on making a return:
If you are sending the item within the United States and the order is valued at $100 or more, ensure the shipment for the value of the merchandise and ship your return with a signature shipping service. Items valued over $35 must be returned to the OverstockDirect with a trackable shipping service. For items below $35, we suggest USPS delivery confirmation service. If a package doesn't arrive and you don't use a trackable method to return or if you refuse the shipment as a method of return, we may not be able to cover your return.
Items typically ship the same day as ordered but always within 1 business day after the order is placed. Please note that weekends and holidays are not business days.