How to service the fuel injector assembly on Buick Regal?

Service of the Fuel Injector assembly begins by repairing the Fuel Rail followed by separate removal of the Fuel Injector retaining clip and Fuel Injector both under careful conditions with protection of electrical connector pins and nozzles. The service of fuel injectors requires removing both o-rings from the upper section while ensuring that the electrical component stays free from all cleaners during this process. Follow the specific instructions when replacing fuel injectors by checking the assembly for part number identification together with manufacturing date and week code and production plant number stamp . New o-rings need engine oil application before installation requires first positioning the lower o-ring followed by the upper o-ring. Fasten the Fuel Injector onto the Fuel Rail using the retaining clip and restore the Fuel Rail. Replacements of Fuel Injector o-rings should always be done during servicing to prevent oil contamination from fuel leaks.

How to replace the fuel injectors in the LLT (3.6L) engine on Buick Enclave?

The replacement of fuel injectors in the llt (3.6L) engine requires the first step to be the relief of high side fuel system pressure. Normal operating position of injectors needs to be recorded before installing the unit. The technician needs to detach the fuel injection Fuel Rail assembly for both bank 1 and bank 2. The replacement process starts by discarding the three Fuel Injector retaining rings before removing the direct fuel injectors together with their harness components and unfastening the electrical connector. Extraction can be achieved with the j 2619-01 slide hammer featuring j-37281-a injector remover when applied to achieve equal injector removal. The upper o-ring seal and plastic spacer and retaining ring and isolator cup and teflon seal need to be discarded from the fuel injectors. Check the Fuel Rail injector bores through use of j-39313 adapter and en-47909 cleaning kit and clean them when in need. Place new o-ring seal from gm p/n 12345610 or equivalent oil on the fuel injectors before installing the upper o-ring seal together with plastic spacer, retaining ring, isolator cup and teflon seal. Place the en 48266-1 from the en-48266 installer to the injector tip without applying new teflon seal lubrication before pulling the new teflon seal down into the injector groove. Place the en 48266-2 onto the end of the injector tip before you use medium pressure to turn the tool to resize the teflon seal. Reattach the direct fuel injectors and their harness as an assembled component by connecting the electrical connector with precise alignment similar to the measurement taken when removing them. Install the fuel injection Fuel Rail assembly for bank 1 or bank 2 after the completion of the procedure.

OEM Buick Fuel Injector

Gas Injector

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69 Fuel Injectors found

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Buick Injector Part Number: 19244619
$62.96 MSRP: $201.38
You Save: $138.42 (69%)
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Product Specifications
- Other Name: Injector Kit, Fuel Injection; Fuel Injector; Injector, Fuel Injection
- Replaces: 17112632, 17122509, 17059402, 17102747, 17111799
Fits the following Buick Models:
- Century | 1992-1993, 1987-1989 | Custom, Estate Wagon, Limited, Special | 6 Cyl 2.8 L GAS, 6 Cyl 3.3 L GAS
- Regal | 1988-1993 | Custom, Gran Sport, Limited | 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS
- Skylark | 1992-1993 | Custom, Gran Sport, Limited | 6 Cyl 3.3 L GAS
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Buick Injector Part Number: 12597871
$52.59 MSRP: $109.50
You Save: $56.91 (52%)
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Product Specifications
- Other Name: Injector Kit, Fuel Injection; Gasoline Injector; Fuel Injector
- Replaces: 12577869
Fits the following Buick Models:
- Lucerne | 2006-2011 | CXL, CXS, Super | 8 Cyl 4.6 L GAS
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Buick Injector Part Number: 12662564
$90.84 MSRP: $189.14
You Save: $98.30 (52%)
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Product Specifications
- Other Name: Injector Assembly-Direct Fuel; Fuel Injector; Injector, Fuel Injection
- Replaces: 12627093, 12633913, 12662570
Fits the following Buick Models:
- Envision | 2017-2020 | Base, Essence, Preferred | 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
- LaCrosse | 2018-2019 | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
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Buick Injector Part Number: 12608362
$94.78 MSRP: $197.34
You Save: $102.56 (52%)
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Product Specifications
- Other Name: Injector Assembly-Direct Fuel; Fuel Injector; Injector, Fuel Injection
Fits the following Buick Models:
- LaCrosse | 2010-2011 | CX, CXL | 4 Cyl 2.4 L GAS
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Buick Injector Part Number: 12633789
$98.37 MSRP: $204.78
You Save: $106.41 (52%)
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Product Specifications
- Other Name: Injector Assembly-Direct Fuel; Fuel Injector; Injector, Fuel Injection
Fits the following Buick Models:
- LaCrosse | 2010-2016 | Base, CX, CXL, Convenience, Leather, Premium | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Regal | 2011-2016 | Base, CXL, Premium | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Injector Part Number: 12634126
$105.04 MSRP: $218.70
You Save: $113.66 (52%)
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Product Specifications
- Other Name: Injector Assembly-Direct Fuel; Fuel Injector; Injector, Fuel Injection
Fits the following Buick Models:
- Enclave | 2018-2024 | Avenir, Base, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
- LaCrosse | 2013-2016 | Base, Leather, Premium, Sport Touring, Touring | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick Injector Part Number: 55577403
$105.79 MSRP: $220.24
You Save: $114.45 (52%)
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Product Specifications
- Other Name: Injector Assembly-Direct Fuel; Fuel Injector; Injector, Fuel Injection
- Replaces: 12644767
Fits the following Buick Models:
- Encore | 2016-2019 | Essence, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Injector Part Number: 19244616
$118.27 MSRP: $246.20
You Save: $127.93 (52%)
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Product Specifications
- Other Name: Injector Kit, Fuel Injection; Fuel Injector
- Replaces: 17113124, 17113197
Fits the following Buick Models:
- Century | 1994-1996 | Custom, Limited, Special | 4 Cyl 2.2 L GAS
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Buick Injector Part Number: 12633784
$119.14 MSRP: $248.03
You Save: $128.89 (52%)
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Product Specifications
- Other Name: Injector Assembly-Direct Fuel; Fuel Injector; Injector, Fuel Injection
Fits the following Buick Models:
- LaCrosse | 2012-2016 | Base, Convenience, Leather, Premium | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Regal | 2012-2017 | Base, Premium | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Verano | 2012-2017 | Base, Convenience, Leather, Sport Touring | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
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Buick Injector Part Number: 12629927
$85.02 MSRP: $172.68
You Save: $87.66 (51%)
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Product Specifications
- Other Name: Injector Assembly-Direct Fuel; Fuel Injector; Fuel Injectr; Injector, Fuel Injection
Fits the following Buick Models:
- LaCrosse | 2010 | CX, CXL | 6 Cyl 3.0 L GAS
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Buick Injector Part Number: 19244623
$94.85 MSRP: $192.64
You Save: $97.79 (51%)
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Product Specifications
- Other Name: Injector Kit, Fuel Injection; Fuel Injector; Injector, Fuel Injection
- Replaces: 12569573
Fits the following Buick Models:
- Rainier | 2004-2005 | CXL, CXL Plus | 6 Cyl 4.2 L GAS
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Buick Injector Part Number: 55565970
$35.22 MSRP: $67.79
You Save: $32.57 (49%)
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Product Specifications
- Other Name: Injector, Fuel Injection; Gasoline Injector; Fuel Injector
Fits the following Buick Models:
- Encore | 2013-2020 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Injector Part Number: 12669384
$114.54 MSRP: $205.46
You Save: $90.92 (45%)
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Product Specifications
- Other Name: Injector, Fuel Injection; Fuel Injector
- Replaces: 12638530, 12611545, 12632255
Fits the following Buick Models:
- Enclave | 2009-2011 | CX, CXL | 6 Cyl 3.6 L GAS
- LaCrosse | 2010-2012 | Base, CX, CXL, CXS, Convenience, Leather, Premium, Touring | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick Injector Part Number: 12663380
$99.83 MSRP: $288.06
You Save: $188.23 (66%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Injector, Fuel Injection; Fuel Injector
- Replaces: 12634491
Fits the following Buick Models:
- Enclave | 2012-2017 | Base, Convenience, Leather, Premium | 6 Cyl 3.6 L GAS
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Buick Injector Part Number: 12592648
$57.50 MSRP: $161.92
You Save: $104.42 (65%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Injector Assembly-Sequential Multiport Fuel; Fuel Injector; Injector, Fuel Injection
Fits the following Buick Models:
- Lucerne | 2009-2010 | CX, CXL, CXL Special Edition | 6 Cyl 3.9 L GAS
- Terraza | 2006-2007 | CX, CXL | 6 Cyl 3.9 L GAS
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Buick Injector Part Number: 12586554
$80.27 MSRP: $225.98
You Save: $145.71 (65%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Injector, Fuel Injection; Fuel Injector
- Replaces: 17113623
Fits the following Buick Models:
- Century | 2000-2005 | Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
- Rendezvous | 2002-2005 | CX, CX Plus, CXL, CXL Plus | 6 Cyl 3.4 L GAS
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Buick Injector Part Number: 55490059
$87.34 MSRP: $181.84
You Save: $94.50 (52%)
ADD TO CART
Product Specifications
- Other Name: Injector Assembly-Direct Fuel; Fuel Injector; Injector, Fuel Injection
Fits the following Buick Models:
- Cascada | 2016-2019 | Base, Premium, Sport Touring | 4 Cyl 1.6 L GAS
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Buick Injector Part Number: 25531465
Product Specifications
- Other Name: Injector, Fuel; Fuel Injector; Injector, Fuel Injection
Fits the following Buick Models:
- Electra | 1988-1990 | Limited, Park Avenue, Park Avenue Ultra, T-Type | 6 Cyl 3.8 L GAS
- LeSabre | 1990-1991 | Base, Custom, Limited | 6 Cyl 3.8 L GAS
- Reatta | 1988-1990 | Base | 6 Cyl 3.8 L GAS
- Riviera | 1988-1990 | Luxury, T-Type | 6 Cyl 3.8 L GAS
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Buick Fuel Injector Kit Part Number: 24508208
Product Specifications
- Other Name: Injector Assembly-Sequential Multiport Fuel; Gasoline Injector; Fuel Injector; Injector; Injector, Fuel Injection
- Replaces: 24503406, 24507495
Fits the following Buick Models:
- Park Avenue | 1996-2005 | Base, Ultra | 6 Cyl 3.8 L GAS
- Regal | 1997-2004 | 25th Anniversary Edition, GS, GSE | 6 Cyl 3.8 L GAS
- Riviera | 1996-1999 | Base | 6 Cyl 3.8 L GAS
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Buick Injector Part Number: 17111986
Product Specifications
- Other Name: Injector Kit, Throttle Body/Carburetor; Fuel Injector
Fits the following Buick Models:
- Century | 1987-1988 | Custom, Estate Wagon, Limited | 4 Cyl 2.5 L GAS
- Skyhawk | 1988-1989 | Custom, SE | 4 Cyl 2.0 L GAS
- Skylark | 1987-1988 | Custom, Limited | 4 Cyl 2.5 L GAS
- Somerset | 1987 | Custom, Limited | 4 Cyl 2.5 L GAS
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1-20 of 69 Results

Buick Fuel Injector

Choose OEM Fuel Injector, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with Buick's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM Buick Fuel Injector. You can shop at highly competitive prices and protect your budget. All our genuine Buick parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Buick Fuel Injector cuts fuel expenditure and directly hits consistent power into each barrel in the engine. Over a hundred years, Buick has been pursuing a single aim to provide a comfortable ride without deadening the feedback to the driver. It was initially introduced to the streets of America in 1903 and immediately established the standards of smooth torque and silent cabins. Several decades later, the quiet-tuning glass, silenced insulation, and heavily weighted steering ensure that road noise was on the other side of the firewall. The Wildcat EV is an example of a concept where the badge is driving towards electric speed without losing the relaxed nature. The combination of controlled styling, convenient technology, and seats that do not cause numbness in the legs after a long journey is visible to the buyers. Heritage does not go stale as every new model takes existing tricks of comfort borrowing them and combining them with existing lifestyle touches. The very recent Fuel Injector is a returnless model to shoot atomized gasoline directly into turbocharged cylinders, reducing the weight of plumbing and allowing the engine control module to hit an accurate air-to-fuel ratio to provide a sharper throttle, reduced emissions, and stable idle. Its ability to fit any generation of the family has drivers changing the gears and immediately experiencing more powerful acceleration, more powerful mid range, and reduced visits to the pump. This Fuel Injector upgrade translates to reduced knock, cooler combustion, and a safety margin that leaves sensors contented even on hard boosts. The gains are experienced by the owners of Buick since the part is able to plug in all current powertrains without any special tuning.

Buick Fuel Injector Parts and Q&A

Fuel Injector Kit
24508208
Q: How to service the fuel injector assembly on Buick Regal?
A:
Service of the Fuel Injector assembly begins by repairing the Fuel Rail followed by separate removal of the Fuel Injector retaining clip and Fuel Injector both under careful conditions with protection of electrical connector pins and nozzles. The service of fuel injectors requires removing both o-rings from the upper section while ensuring that the electrical component stays free from all cleaners during this process. Follow the specific instructions when replacing fuel injectors by checking the assembly for part number identification together with manufacturing date and week code and production plant number stamp . New o-rings need engine oil application before installation requires first positioning the lower o-ring followed by the upper o-ring. Fasten the Fuel Injector onto the Fuel Rail using the retaining clip and restore the Fuel Rail. Replacements of Fuel Injector o-rings should always be done during servicing to prevent oil contamination from fuel leaks.
Injector
12669384
Q: How to replace the fuel injectors in the LLT (3.6L) engine on Buick Enclave?
A:
The replacement of fuel injectors in the llt (3.6L) engine requires the first step to be the relief of high side fuel system pressure. Normal operating position of injectors needs to be recorded before installing the unit. The technician needs to detach the fuel injection Fuel Rail assembly for both bank 1 and bank 2. The replacement process starts by discarding the three Fuel Injector retaining rings before removing the direct fuel injectors together with their harness components and unfastening the electrical connector. Extraction can be achieved with the j 2619-01 slide hammer featuring j-37281-a injector remover when applied to achieve equal injector removal. The upper o-ring seal and plastic spacer and retaining ring and isolator cup and teflon seal need to be discarded from the fuel injectors. Check the Fuel Rail injector bores through use of j-39313 adapter and en-47909 cleaning kit and clean them when in need. Place new o-ring seal from gm p/n 12345610 or equivalent oil on the fuel injectors before installing the upper o-ring seal together with plastic spacer, retaining ring, isolator cup and teflon seal. Place the en 48266-1 from the en-48266 installer to the injector tip without applying new teflon seal lubrication before pulling the new teflon seal down into the injector groove. Place the en 48266-2 onto the end of the injector tip before you use medium pressure to turn the tool to resize the teflon seal. Reattach the direct fuel injectors and their harness as an assembled component by connecting the electrical connector with precise alignment similar to the measurement taken when removing them. Install the fuel injection Fuel Rail assembly for bank 1 or bank 2 after the completion of the procedure.