How to replace the fuel pressure regulator on Buick LeSabre?

The first step before replacing the fuel pressure regulator involves reducing fuel pressure and clearing dirt from the retaining ring of the pressure regulator. Unplug the vacuum hose from the regulator before removing the snapping ring. A shop towel sitting beneath the fuel regulator catches drop fuel before the regulator can be unscrewed from the housing by lifting and twisting it. Proceed by taking out the small regulator O-ring and the filter screen as well as the large regulator O-ring and the back up regulator O-ring. The process requires covering the fuel pressure regulator housing to avoid contamination. The installation process should not employ compressed air applications to inspect or cleanse the fuel pressure regulator because damage may occur. Gasoline should be used to cleanse the fuel pressure regulator filter screen but the fuel pressure regulator itself should never go into a solvent bath. Before putting in a used fuel pressure regulator install new O-rings on the regulator followed by engine oil light lubrication of these rings. The installation process requires placement of the up O-ring then moving downward through large O-ring and filter screen and finishing with small O-ring. The procedure requires insertion of the fuel pressure regulator inside the fuel pressure regulator housing while using the snap ring to lock it in place. To check for fuel leaks you must first connect the vacuum hose to the fuel pressure regulator then activate the ignition for 10 seconds followed by turning it off before turning it on to inspect for any fluid leakage. The fuel injector sight shield should be installed as the final step.

How to service the fuel pressure regulator on Buick Regal?

The first step for Fuel Pressure Regulator service includes pressure relief and fuel system component cleanliness during handling. Wash all debris from the retaining ring of the Fuel Pressure Regulator before you take off its vacuum line. The next step requires removal of the snap ring and the use of a shop towel to contain any fuel drippings during the process of detaching the Fuel Pressure Regulator from its housing by lifting and twisting it. Insert a cover across the Fuel Pressure Regulator housing after removing the regulator o-ring small, regulator o-ring large, and regulator o-ring back up to maintain contaminant prevention. The first step for installation requires new o-rings on the Fuel Pressure Regulator before a thin coating of clean engine oil is applied to them. Place the Fuel Pressure Regulator inside the Fuel Pressure Regulator housing while securing it with the snap ring after installing the regulator back up o-ring followed by the regulator o-ring large before finalizing with the regulator o-ring small. Return the vacuum line to the Fuel Pressure Regulator then fasten the fuel fill cap while connecting the negative Battery Cable. A leak inspection requires turning on the ignition for two seconds before turning it off for ten seconds followed by another ignition on cycle to detect fuel leaks. The last step requires installation of the fuel injector sight shield.

OEM Buick Fuel Pressure Regulator

Fuel Tank Pressure Regulator

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17 Fuel Pressure Regulators found

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Buick Fuel Pressure Regulator Part Number: 19210686
$77.57 MSRP: $157.56
You Save: $79.99 (51%)
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Product Specifications
- Other Name: Regulator Kit, Fuel Pressure; Regulator Seal Kit; Regulator Kit, Fuel Injection
- Replaces: 17113203, 88894356, 89060422, 89017453
Fits the following Buick Models:
- Rainier | 2004-2005 | CXL, CXL Plus | 6 Cyl 4.2 L GAS
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Buick Fuel Pressure Regulator Part Number: 88894176
$142.93 MSRP: $268.43
You Save: $125.50 (47%)
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Product Specifications
- Other Name: Regulator, Fuel Pressure; Regulator, Fuel Injection
Fits the following Buick Models:
- Rainier | 2004-2005 | CXL, CXL Plus | 6 Cyl 4.2 L GAS
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Buick Fuel Pressure Regulator Part Number: 19245529
$83.33 MSRP: $156.48
You Save: $73.15 (47%)
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Product Specifications
- Other Name: Regulator Kit, Fuel Pressure; Regulator Kit, Fuel Injection
- Replaces: 12583236, 17113660, 89060418
Fits the following Buick Models:
- LeSabre | 2001-2005 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 2002-2005 | Base | 6 Cyl 3.8 L GAS
- Regal | 2004 | LS | 6 Cyl 3.8 L GAS
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Buick Fuel Pressure Regulator Part Number: 17120665
$123.49 MSRP: $250.81
You Save: $127.32 (51%)
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Product Specifications
- Other Name: Regulator, Fuel Pressure; Regulator Kit, Fuel Injection; Regulator, Fuel Injection
- Replaces: 17120440
Fits the following Buick Models:
- Century | 1994-1999 | Custom, Limited, Special | 6 Cyl 3.1 L GAS
- Regal | 1994-1996 | Custom | 6 Cyl 3.1 L GAS
- Skylark | 1996-1998 | Custom, Gran Sport, Limited, Olympic Gold Edition | 6 Cyl 3.1 L GAS
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Buick Fuel Pressure Regulator Part Number: 17107483
$12.35 MSRP: $156.70
You Save: $144.35 (93%)
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Product Specifications
- Other Name: Regulator Assembly, Fuel Pressure; Regulator Kit, Fuel Injection
Fits the following Buick Models:
- Century | 1992-1993 | Custom, Limited, Special | 6 Cyl 3.3 L GAS
- Skylark | 1992-1993 | Custom, Gran Sport, Limited | 6 Cyl 3.3 L GAS
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Buick Fuel Pressure Regulator Part Number: 89017530
$47.86 MSRP: $89.90
You Save: $42.04 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Regulator Kit, Fuel Pressure; Regulator Kit, Fuel Injection
- Replaced by: 89060416
Fits the following Buick Models:
- LeSabre | 1996-2000 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 1998-2001 | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Fuel Pressure Regulator Part Number: 17113622
$124.56 MSRP: $221.43
You Save: $96.87 (44%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Regulator, Fuel Pressure; Regulator, Fuel Injection
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 Fuel Pressure Regulator Part Number: 17091947
Product Specifications
- Other Name: Regulator Assembly, Fuel Pressure; Regulator Kit, Fuel Injection; Regulator, Fuel Injection
- Replaces: 17091221
Fits the following Buick Models:
- Roadmaster | 1994-1996 | Base, Collector's Edition, Estate Wagon, Estate Wagon Collector's Edition, Limited, Limited Collector's Edition | 8 Cyl 5.7 L GAS
- Skylark | 1994-1995 | Custom, Gran Sport, Limited | 6 Cyl 3.1 L GAS
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Buick Fuel Pressure Regulator Part Number: 25519368
Product Specifications
- Other Name: Regulator Kit, Fuel Pressure; Regulator, Fuel Injection
Fits the following Buick Models:
- Electra | 1985 | Limited, Park Avenue, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L DIESEL
- Regal | 1984-1987 | Base, GNX, Grand National, Limited, T-Type | 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L DIESEL, 8 Cyl 5.7 L DIESEL
- Riviera | 1986-1987 | Luxury, T-Type | 6 Cyl 3.8 L GAS
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Buick Fuel Pressure Regulator Part Number: 25523720
Product Specifications
- Other Name: Regulator, Fuel Injection; Pressure Regulator
Fits the following Buick Models:
- Electra | 1988-1990 | Limited, Park Avenue, Park Avenue Ultra, T-Type | 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 Pressure Regulator Part Number: 24501695
Product Specifications
- Other Name: Regulator, Fuel Injection
Fits the following Buick Models:
- Park Avenue | 1994-1995 | Ultra | 6 Cyl 3.8 L GAS
- Riviera | 1995 | Base | 6 Cyl 3.8 L GAS
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Buick Fuel Pressure Regulator Part Number: 24500228
Product Specifications
- Other Name: Regulator, Fuel Injection
- Replaces: 89054351
Fits the following Buick Models:
- LeSabre | 1992 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 1991-1994 | Base, Ultra | 6 Cyl 3.8 L GAS
- Regal | 1990-1995 | Custom, Gran Sport, Limited | 6 Cyl 3.8 L GAS
- Riviera | 1992-1993 | Luxury | 6 Cyl 3.8 L GAS
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Buick Fuel Pressure Regulator Part Number: 17112481
Product Specifications
- Other Name: Regulator Kit, Fuel Injection
Fits the following Buick Models:
- Regal | 1991-1993 | Custom, Limited | 6 Cyl 3.1 L GAS
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Buick Fuel Pressure Regulator Part Number: 17112399
Product Specifications
- Other Name: Regulator Kit, Throttle Body/Carburetor; Cover
Fits the following Buick Models:
- Roadmaster | 1992-1993 | Base, Estate Wagon, Limited | 8 Cyl 5.7 L GAS
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Buick Fuel Pressure Regulator Part Number: 17091410
Product Specifications
- Other Name: Regulator, Fuel Pressure; Regulator, Fuel Injection
- Replaces: 17112482, 17107485, 17107010
Fits the following Buick Models:
- Century | 1993-1996 | Custom, Limited, Special | 4 Cyl 2.2 L GAS
- Skylark | 1996-1998, 1992-1994 | Custom, Limited, Olympic Gold Edition | 4 Cyl 2.3 L GAS, 4 Cyl 2.4 L GAS
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Buick Fuel Pressure Regulator Part Number: 17091219
Product Specifications
- Other Name: Regulator Assembly, Fuel Pressure; Regulator Kit, Fuel Injection
Fits the following Buick Models:
- LeSabre | 1993-1995 | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick Fuel Pressure Regulator Part Number: 24506988
$92.11 MSRP: $164.46
You Save: $72.35 (44%)
Product Specifications
- Other Name: Regulator, Fuel Injection
- Replaces: 24503229
Fits the following Buick Models:
- LeSabre | 1995 | Custom, Limited | 6 Cyl 3.8 L GAS
- Park Avenue | 1995-2005 | Base, Ultra | 6 Cyl 3.8 L GAS
- Regal | 1996-2004 | 25th Anniversary Edition, Custom, Gran Sport, GS, GSE, Limited, LS, LSE, Olympic Gold Edition | 6 Cyl 3.8 L GAS
- Riviera | 1995-1999 | Base | 6 Cyl 3.8 L GAS
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Buick Fuel Pressure Regulator

Choose OEM Fuel Pressure Regulator, 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 Pressure Regulator. 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 Pressure Regulator maintains fuel pressure within the perfect range so as to burn smoothly and cleanly. Buick has been releasing new quiet cabins and rides since 1903, which plow through asphalt fresh under each tire. The drivers include the fact that the dash designs are easily understandable to the viewer, thus no time wasting on buttons. The long hauls on highway seem shorter due to the combined seat cushioning and suspension geometry to absorb non-float ruts. It turned out that when the Wildcat EV concept was released in 2022, it was a case of the Wildcat EV going out to get tomorrow rather than perfecting yesterday. Buick also weaves in reliability allowing the owners to make plans of road trips in summer rather than going to the workshop. The brand is a blend of tradition and technology, and thus, grandparents are aware of the emblem, whereas teens charge phones and playlists. On the rail just below the hood is the Fuel Pressure Regulator which measures swings in vacuum and indicates excess gasoline to flow back to the tank before it catches up the cylinders. When idle it leaves the surplus flow immediately and when hard throttle it maintains pressure at a peak to ensure that injectors will not run dry in the passing lane. The Fuel Pressure Regulator has a mix of billet aluminum shell that can withstand heat and vibration, and a spring that can be adjusted allows the tuner to pre-set the ideal psi to use in stock rides or boosted builds. Since the device responds in milliseconds, it filters rich gulps that drain money and lean surges that soar exhaust temperatures. This intelligent control safeguards emissions equipment and maintains honesty in the mileage throughout the Buick line.

Buick Fuel Pressure Regulator Parts and Q&A

Fuel Pressure Regulator
19245529
Q: How to replace the fuel pressure regulator on Buick LeSabre?
A:
The first step before replacing the fuel pressure regulator involves reducing fuel pressure and clearing dirt from the retaining ring of the pressure regulator. Unplug the vacuum hose from the regulator before removing the snapping ring. A shop towel sitting beneath the fuel regulator catches drop fuel before the regulator can be unscrewed from the housing by lifting and twisting it. Proceed by taking out the small regulator O-ring and the filter screen as well as the large regulator O-ring and the back up regulator O-ring. The process requires covering the fuel pressure regulator housing to avoid contamination. The installation process should not employ compressed air applications to inspect or cleanse the fuel pressure regulator because damage may occur. Gasoline should be used to cleanse the fuel pressure regulator filter screen but the fuel pressure regulator itself should never go into a solvent bath. Before putting in a used fuel pressure regulator install new O-rings on the regulator followed by engine oil light lubrication of these rings. The installation process requires placement of the up O-ring then moving downward through large O-ring and filter screen and finishing with small O-ring. The procedure requires insertion of the fuel pressure regulator inside the fuel pressure regulator housing while using the snap ring to lock it in place. To check for fuel leaks you must first connect the vacuum hose to the fuel pressure regulator then activate the ignition for 10 seconds followed by turning it off before turning it on to inspect for any fluid leakage. The fuel injector sight shield should be installed as the final step.
Fuel Pressure Regulator
24506988
Q: How to service the fuel pressure regulator on Buick Regal?
A:
The first step for Fuel Pressure Regulator service includes pressure relief and fuel system component cleanliness during handling. Wash all debris from the retaining ring of the Fuel Pressure Regulator before you take off its vacuum line. The next step requires removal of the snap ring and the use of a shop towel to contain any fuel drippings during the process of detaching the Fuel Pressure Regulator from its housing by lifting and twisting it. Insert a cover across the Fuel Pressure Regulator housing after removing the regulator o-ring small, regulator o-ring large, and regulator o-ring back up to maintain contaminant prevention. The first step for installation requires new o-rings on the Fuel Pressure Regulator before a thin coating of clean engine oil is applied to them. Place the Fuel Pressure Regulator inside the Fuel Pressure Regulator housing while securing it with the snap ring after installing the regulator back up o-ring followed by the regulator o-ring large before finalizing with the regulator o-ring small. Return the vacuum line to the Fuel Pressure Regulator then fasten the fuel fill cap while connecting the negative Battery Cable. A leak inspection requires turning on the ignition for two seconds before turning it off for ten seconds followed by another ignition on cycle to detect fuel leaks. The last step requires installation of the fuel injector sight shield.