NGK 6637 Iridium IX Spark Plug - 13/16 in Hex, M14 x 1.25 Thread
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Description
NGK Iridium IX spark plugs are engineered for performance enthusiasts, offering superior acceleration, fuel efficiency, and durability.
- Provides extreme ignitability and exceptional anti-fouling.
- Features a tapered cut ground electrode for improved starting, idling, and throttle response.
- Iridium fine wire center electrode offers durability six times harder than platinum.
- Iridium alloy's extremely high melting point is ideal for modern engines.
For more technical details and/or manufacturers product guides, email us.
Most orders leave our warehouse within 1 business day unless otherwise noted.
*Add this item to the cart to estimate shipping costs and any applicable taxes.
Features
- Service Number:BPR6EIX
- Short Style Spark Plug:No
- Part Number:BPR6EIX
- Stock Number:6637
- Metallurgy:Single Iridium
- Resistance:5000.0 (82)
- Ground Electrode Tip Design:Taper Cut
- Ground Configuration:J-Gap
- Thread Type Standard:Metric
- Ground Electrode Core Material:Nickel
- Washer (s) Included:Yes
- Grade Type:Performance
- Electrical Terminal Type:Removable Nut
- Center Electrode Core Material:Copper
- Center Electrode Tip Material:Iridium
- Pre-Gap Size 1:.032 (IN)
- Pre-Gap Size 2:0.8 (MM)
- Ground Electrode Quantity:1
- Hex Size:13/16"
- Insulator Height 1:2.20 (IN)
- Insulator Height 2:56.0 (MM)
- Manufacturer Heat Range:6
- Seat Type:Flat
- Reach 1:0.750 (IN)
- Reach 2:19.0 (MM)
- Insulator Material:Ceramic
- Resistor Type:Yes
- Skirt Length:0.0 (MM)
- Thread Size:M14 - 1.25
- Ground Electrode Tip Material:Nickel
- Skirt:No
- Center Electrode Insulator Tip Projection 1:0.14 (IN)
- Center Electrode Insulator Tip Projection 2:3.5 (MM)
- Center Electrode Design:Fine Wire
- Washer Type:Crush
- Center Electrode Projection:Mid Projection
- Interchange - ACDELCO:R41XL R43FS FR1LS 41-813 41-825 R41XL R43FS FR1LS 41-825 41-813
- Interchange - ACDELCO GOLD/PROFESSIONAL:R43XL 41-804 41-828 R42XLS 41-602 41-832 R44XLS R43XL 41-829 R45XLS 41-602 41-802 R43XLS 41-832 4 41-804 R44XLS 41-828 41-802 R43XLS 41-801 R42XLS R43XL 41-829 41-800 41-801 41-832 41-802 41-602 4 41-804 41-828 R43XLS R45XLS 41-801 4 41-800 41-800 R45XLS 41-802 4 R44XLS R42XLS R45XLS R43XLS 41-801 R42XLS 41-829 R43XL 41-832 41-602 41-804 41-800 41-828 41-829 R44XLS
- Interchange - ACDELCO GOLD/PROFESSIONAL CANADA:R43XLS 41-802 41-801 41-800 R44XLS R42XLS R43XL 41-829 41-602 41-832 41-804 41-828 R45XLS 4
- Interchange - ACDELCO SPECIALTY:4
- Interchange - ACDELCO SPECIALTY CANADA:4
- Interchange - ALLIANCE OE BOSCH SPARK PLUGS:WR7DS
- Interchange - AUTOLITE:XP63 XS63DP
- Interchange - AUTOPART INTERNATIONAL:NGK6637
- Interchange - AUTOZONE/ACDELCO:R42XLS R43XL 41-829 41-832 41-602 41-804 41-828 R45XLS FR1LS 41-802 R43XLS 41-801 41-813 41-825 41-800 R41XL R44XLS
- Interchange - AUTOZONE/AUTOLITE:XP63 APP64 APP63 AP64 XS63DP AP63 XP64 XS63
- Interchange - AUTOZONE/NGK:6637
- Interchange - BECK/ARNLEY:1765184 1765184
- Interchange - CHAMPION SPARK PLUGS:9804
- Interchange - DAIHATSU OE:999-06910-X9-027
- Interchange - E3 SPARK PLUGS:E3.46 E3.22 E3.34
- Interchange - IMC:739 51063 739 51063 131
- Interchange - INTERAMERICAN MOTOR CORPORATION:739 51063 BPR 6 EIX
- Interchange - MAZDA OE:1UN1-18-110
- Interchange - MITSUBISHI OE:MZ602071
- Interchange - NAPA CANADA/AC DELCO SPARK PLUGS - ACP:41800
- Interchange - NAPA CANADA/AUTOLITE SPARK PLUGS- AUT:AP63 XP63
- Interchange - NAPA CANADA/CHAMPION SPARK PLUG - CHA:9804
- Interchange - NAPA CANADA/NGK SPARK PLUGS - NGB:6637
- Interchange - NAPA/AC SPARK PLUGS-AC:41800
- Interchange - NAPA/AUTOLITE - AUT:XP63
- Interchange - NAPA/CHAMPION SPK PLUGS-CHA:9804
- Interchange - NAPA/NGK SPARK PLGS-OXYGEN SENS-NGK:6637
- Interchange - NGK CANADA BASE NUMBERS:BPR6EIX 6637
- Interchange - NGK CANADA STOCK NUMBERS:6637
- Interchange - NGK CANADA/NTK SENSORS:6637
- Interchange - NGK USA BASE NUMBERS:BPR6EIX
- Interchange - NISSAN:BY480-BPR6E
- Interchange - NISSAN OE:BY480-BPR6E
- Interchange - SUZUKI OE:99000-79K60-P6R
- Interchange - WD EXPRESS:739 51063 131
- Applications 1:Alfa Romeo (8), 1975 - 1979
- Applications 2:Alfa Romeo (10), 1967 - 1989
- Applications 3:Alfa Romeo (5), 1971 - 1975
- Applications 4:Aston Martin (23), 1958 - 1974
- Applications 5:Aston Martin (12), 1970 - 1982
- Applications 6:Audi (10), 1969 - 1983
- Applications 7:Audi (24), 1978 - 1988
- Applications 8:Austin (30), 1960 - 1975
- Applications 9:Austin Healey (9), 1962 - 1970
- Applications 10:Austin Healey (9), 1959 - 1967
- Applications 11:Bertone (6), 1984 - 1989
- Applications 12:Buick (4), 1976 - 1979
- Applications 13:BMW (67), 1964 - 1976
- Applications 14:BMW (4), 1968 - 1971
- Applications 15:Citroen (5), 1971 - 1975
- Applications 16:Daewoo (4), 1999 - 2002
- Applications 17:Dodge (10), 1971 - 1980
- Applications 18:Eagle (9), 1990 - 1998
- Applications 19:Fiat (45), 1967 - 1983
- Applications 20:Honda (4), 1969 - 1972
- Applications 21:Honda (7), 1973 - 1979
- Applications 22:Hyundai (8), 1983 - 1987
- Applications 23:Jaguar (14), 1971 - 1979
- Applications 24:Jensen (5), 1972 - 1976
- Applications 25:Lada (27), 1983 - 1993
- Applications 26:Lancia (8), 1976 - 1982
- Applications 27:Land Rover (6), 1994 - 1999
- Applications 28:Lotus (52), 1958 - 1995
- Applications 29:Maserati (11), 1972 - 1982
- Applications 30:Maserati (47), 1967 - 1986
- Applications 31:Mazda (24), 1970 - 1987
- Applications 32:Mercedes-Benz (8), 1966 - 1973
- Applications 33:Mercedes-Benz (65), 1961 - 1974
- Applications 34:Mercedes-Benz (17), 1967 - 1973
- Applications 35:Mitsubishi (13), 1989 - 1999
- Applications 36:Morgan (2), 1980 - 1981
- Applications 37:Morgan (21), 1976 - 1996
- Applications 38:Morris (2), 1970 - 1971
- Applications 39:MG (28), 1962 - 1981
- Applications 40:MG (2), 1968 - 1969
- Applications 41:Nissan (31), 1972 - 1989
- Applications 42:Nissan (6), 1970 - 1975
- Applications 43:Nissan (4), 1980 - 1981
- Applications 44:Peugeot (30), 1961 - 1991
- Applications 45:Plymouth (11), 1971 - 1994
- Applications 46:Porsche (14), 1976 - 1995
- Applications 47:Porsche (10), 1972 - 1992
- Applications 48:Porsche (12), 1983 - 1995
- Applications 49:Renault (22), 1975 - 1987
- Applications 50:Rover (1), 1980 - 1980
- Applications 51:Saab (40), 1967 - 1986
- Applications 52:Subaru (34), 1970 - 1980
- Applications 53:Suzuki (5), 1985 - 1988
- Applications 54:Toyota (18), 1964 - 1974
- Applications 55:Toyota (6), 1965 - 1970
- Applications 56:Triumph (9), 1968 - 1976
- Applications 57:Volkswagen (69), 1971 - 1993
- Applications 58:Volkswagen (4), 1983 - 1987
- Applications 59:Volvo (61), 1976 - 1995
Reviews
Details
Product Details:
- Manufacturer:NGK
- Part Number:6637
- UPC:087295166376
- Sold in QTY:1
- Condition:New
- Country of Origin:Japan
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WARNING: May cause Cancer and/or Reproductive Harm - www.P65Warnings.ca.gov
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What customers are saying
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Questions shoppers ask
See all FAQsHow soon does it ship?
Most orders leave our warehouse within 1 business day unless otherwise noted. Add the item to your cart to see shipping cost and any tax.
Can I return it?
Most items can be returned within 30 days of delivery if they are unused and in their original, undamaged packaging. Email us for a Return Authorization (RA) number first, and make sure the item reaches our warehouse within those 30 days. A 15% restocking fee applies and you pay return shipping, unless the item is defective or the mistake was ours. Special orders and items marked No Return can't be returned. Full return policy.
Do you offer quantity discounts?
Many items do. When this one has them, the price breaks are listed with the price above, and the price updates as you change the quantity. Need a larger quantity than we show? Ask us.
Your prices are so good, is it new?
Yes. This item is new and in its original NGK packaging unless the description above says otherwise.