The spark plug is an important component of the engine ignition system in automobiles. It introduces high-voltage electricity into the combustion chamber and makes it jump across the electrode gap to produce a spark, thereby igniting the combustible mixture in the cylinder. It mainly consists of a connection nut, an insulator, a connection screw, a center electrode, a side electrode, and a shell. The side electrode is welded to the shell.
Buick is a well-known car brand under General Motors of the United States. Founded in 1903, it is one of the oldest car brands in the world. Buick mainly targets the mid-to-high-end market and is renowned for its comfort, noise reduction technology, and luxury feel. It lies between Chevrolet (economy type) and Cadillac (luxury type).
Spark plug for Buick series should be based on the specific engine model, year, and fuel type (such as turbocharged or naturally aspirated).
I. Reference for Mainstream Buick Models
1. Naturally Aspirated Engines
Excelle 1.5L (L2B engine), Regal 2.0L (LTG engine)
2. Turbocharged Engines
Envision 1.5T (LFV engine), LaCrosse 2.0T (LSY engine)
3. Classic Old Models
Buick GL8 3.0L (LW9 engine)
II. Spark Plug Materials and Replacement Cycles
Nickel alloy: 20,000 - 30,000 kilometers, economical, commonly used in older models.
Iridium/platinum: 40,000 - 60,000 kilometers, strong oxidation resistance, high stability.
Double iridium/iridium-platinum: 60,000 - 100,000 kilometers, high ignition efficiency, suitable for turbocharged engines.
III. Precautions of Replacing spark plug for Buick
1. Matching heat value: A heat value that is too high can lead to carbon deposits, while one that is too low may cause detonation. Refer to the original factory specifications.
2. Installation torque: Install the spark plug with the correct torque. If it is not tightened enough, it may cause cylinder air leakage and affect vehicle power. However, if it is tightened too much, it may cause the spark plug to break and damage the engine.
3. Other suggestions: Check if the ignition coil is aging when replacing (common faults such as ignition coil leakage in Envision), and apply insulating silicone grease to the ceramic part of the spark plug to prevent high-voltage leakage.
|
Product model |
Product size |
Material |
Installation torque |
Applicable vehicle models |
|
PILTR5E-11 607 |
Thread diameter：14mm Thread length：25mm Wrench size：16mm |
Double platinum |
10-20N·m |
New Regal 2.0L/2.4L, Lacrosse 2.4L/3.0L(V6), Malibu 2.0L/2.4L, Roewe 950 2.0L/2.4L |
|
PILZNAR6D9 626 |
Thread diameter：12mm Thread length：25mm Wrench size：14mm |
Iridium-platinum double |
10-20N·m |
Viloran 1.5L, New Cruze /1.5L |
|
PILKAR7C8 631 |
Thread diameter：12mm Thread length：26.5mm Wrench size：14mm |
Iridium-platinum double |
15-20N·m |
Buick 1.4T exclusive Double Gold Encore 1.4T, Excelle 1.4T, Chevrolet Trax 1.4T |
|
HITR4A-15 632 |
Thread diameter：14mm Thread length：17.5mm Wrench size：16mm |
Iridium |
10-20N·m |
Buick GL18 2.5L(V6 six-cylinder)/3.0L(V6 six-cylinder), Regal 2.5L(V6)/3.0L(V6) |
|
PIFR6Z7G 633 |
Thread diameter：14mm Thread length：19mm Wrench size：16mm |
Iridium-platinum double |
25-30N·m |
Excelle, Regal 1.6T, Cruze, Cruze 1.8L, Aveo 1.6L, Malibu 1.6T, Baojun 630 1.8L |
|
PILTR6E-11 646 |
Thread diameter：14mm Thread length：25mm Wrench size：16mm |
Iridium |
10-20N·m |
New Regal 2.0T, Regal GS2.0T, New Lacrosse 2.0T/3.0L V6(2.13.4-), Boulevard V6 2.8L/3.6L, Envision 2.0T, Envision (2014.4-) 3.6L V6, Cadillac XT5 2.0T, XTS 3.6L/SRX 3.0L/3.6L(2013.11-), CTS 3.6L/2.8L, Sunway 2.8L/3.6L, Camaro 3.6L |
|
ILKR6A 662 |
Thread diameter：12mm Thread length：26.5mm Wrench size：16mm |
Iridium |
15-20N·m |
Excelle 1.5L, Sail 31.3L/1.5L, Aveo RV 1.5L, Cruze 1.5L, other models: Dongfeng Fengguang 330 1.5L |
|
PILNAR8B7G 665 |
Thread diameter：12mm Thread length：26.5mm Wrench size：164mm |
Iridium-platinum double |
10-20N·m |
Buick New Lacrosse 1.5T, Envision 1.5T, New Cruze 1.4T |
|
PILNFR7A7G 668 |
Thread diameter：12mm Thread length：25mm Wrench size：14mm |
Iridium-platinum double |
10-20N·m |
Buick GL8, Envision, Envision S, Regal, Lacrosse, Cadillac series LSY engine 2.0T |
|
PILKFR8A6G 675 |
Thread diameter：12mm Thread length：26.5mm Wrench size：14mm |
Iridium-Platinum double |
15-20N·m |
Buick Encore 2019- 1.0T LIV/92Kw Buick Verano 2019-2021 1.0T LIV/92Kw Chevrolet Trax 2019-1.0T LIV/92Kw Chevrolet Cruze 2019-1.0T LIV/92Kw |
|
PILKAR8C8 676 |
Thread diameter：12mm Thread length：26.5mm Wrench size：14mm |
Iridium-Platinum double |
15-20N·m |
Buick Excelle, GL6, Yuelang, Roewe IX3, Chevrolet Cruze RS, Volando LIY, LI6 and other 1.3T engines |
|
PILNFR9B7G 679 |
Thread diameter：12mm Thread length：24mm Wrench size：14mm |
Iridium-Platinum double |
15-20N·m |
GL8 Lu Zun PHEV(SGM458/CU5)(2024- present)1.5T Encore (Second generation)(2019- present)/GX AWD(2019- present)/GX(2019- present)13T Encore PLUS(2023- present)1.5T Envision PLUS(2020- present)/S(2020- present)1.5T, Onyang (2022- present)/GS(2022- present)1.5T, Regal (E2SB)(2017- present)1.3T Lacrosse (E2LB)(2015- present)/(EG6/E2LB-2)(2022- present)1.5T Valoran Sedan (2015- present)/GS(2015- present)1.3T Valoran Pro GS(2021- present)/Pro(2021- present)1.5T Cadillac CT4(2019- present)/CT5(A2LL)(2019- present)/GT4(E2QL)(2022- present)/XT4(E2UL-MCM)(2022- present)1.5T Chevrolet Trailor (2019- present)/ Trax (2013- present)/ Malibu XL(E2XX)(2015- present)1.3T Trax RS(2022- present)/ Star Miro (2022- present)1.5T Trax Plus(2023- present)1.5T - Plug-in Hybrid |
Hot Tags: spark plug for buick, China spark plug for buick manufacturers, suppliers, factory, aircraft spark plugs for sale, car engine spark plug, dart iron eagle heads spark plugs, plug platinum, sooty spark plugs motorcycle, spark plug airplane
