How to Service and Repair the Fuel Tank Filler Neck on a Cadillac Eldorado?

Start the replacement of the fuel tank filler pipe housing by opening the fuel filler door and removing its fuel cap. Start the repair by unscrewing the fuel filler door release actuator to the pocket then remove its four fasteners followed by unfastening the pipe retaining three fasteners. You can uninstall the fuel filler pocket by pulling the release cable in the backward direction. Shortly after positioning the fuel filler pocket behind the door latch by pulling on the release cable you must fasten its 4 retaining fasteners to 2 n.m (18 lb in). Tighten the 3 fasteners that connect the filler pipe to the filler pocket up to 1.8 n.m (16 lb in). The next step should be to install the fuel filler door release actuator retaining nut by applying 3 n.m (26.5 lb in). Then stuff in the fuel cap while finishing up by closing the fuel inlet door.

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Fuel Filler Neck

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21 Fuel Tank Filler Necks found

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Cadillac Filler Neck
Part Number: 85512438
$167.44 MSRP: $250.29
You Save: $82.85 (34%)
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Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler; Fuel Tank Filler Neck; Fuel Filler Hose; Filler Pipe
- Replaces: 84731626
Fits the following Cadillac Models:
- Escalade | 2021-2023 | Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum, V | 8 Cyl 6.2 L GAS
- Escalade ESV | 2021-2023 | Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum, V | 8 Cyl 6.2 L GAS
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Cadillac Filler Neck
Part Number: 85545882
$135.81 MSRP: $203.00
You Save: $67.19 (34%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler (W/Filler Hose); Filler Pipe
- Replaced by: 86819921
Fits the following Cadillac Models:
- Escalade | 2021-2023 | Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum | 6 Cyl 3.0 L DIESEL
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Cadillac Filler Neck
Part Number: 84962509
$249.11 MSRP: $372.37
You Save: $123.26 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler
- Replaced by: 85576494
Fits the following Cadillac Models:
- CT5 | 2022 | V Blackwing | 8 Cyl 6.2 L GAS
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Cadillac Filler Neck
Part Number: 85545881
$154.91 MSRP: $231.55
You Save: $76.64 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler (W/Filler Hose); Filler Pipe
- Replaced by: 86819920
Fits the following Cadillac Models:
- Escalade ESV | 2021-2023 | Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum | 6 Cyl 3.0 L DIESEL
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Cadillac Filler Neck
Part Number: 84940076
$157.58 MSRP: $235.55
You Save: $77.97 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler; Filler Pipe; Pipe, Fuel Tank Filler
- Replaces: 84917761, 84743022
Fits the following Cadillac Models:
- CT4 | 2020-2022 | Luxury, Premium Luxury, Sport, V, V Blackwing | 4 Cyl 2.0 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 3.6 L GAS
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Cadillac Filler Neck
Part Number: 86790240
$165.98 MSRP: $248.10
You Save: $82.12 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler (W/Filler Hose); Filler Pipe; Pipe, Fuel Tank Filler
- Replaces: 84917760, 84743020, 84940075
Fits the following Cadillac Models:
- CT5 | 2020-2024 | Luxury, Premium Luxury, Sport, V, V Blackwing | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS, 8 Cyl 6.2 L GAS
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Cadillac Filler Neck
Part Number: 87864982
$146.19 MSRP: $218.52
You Save: $72.33 (34%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler (W/Filler Hose); Filler Pipe; Pipe, Fuel Tank Filler
- Replaces: 84362952, 84233125, 84760198, 85554221, 84069551, 84734920, 84108468, 84376141, 84387385
Fits the following Cadillac Models:
- XT5 | 2017-2023 | Base, Livery, Luxury, Platinum, Premium Luxury, Sport | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L GAS
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Cadillac Filler Pipe
Part Number: 86790241
$181.99 MSRP: $272.04
You Save: $90.05 (34%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler (W/Filler Hose); Pipe, Fuel Tank Filler
Fits the following Cadillac Models:
- CT4 | 2023-2024 | Luxury, Premium Luxury, Sport, V, V Blackwing | 4 Cyl 2.0 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 3.6 L GAS
View related parts
Cadillac Filler Neck
Part Number: 25727012
Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler; Fuel Tank Filler Neck; Fuel Filler Hose; Filler Pipe; Pipe, Fuel Tank Filler
Fits the following Cadillac Models:
- DeVille | 1998-2005 | Base, d'Elegance, DHS, DTS, Protection Series | 8 Cyl 4.6 L GAS
- Seville | 1998-2004 | SLS, STS | 8 Cyl 4.6 L GAS
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Cadillac Filler Neck
Part Number: 25768591
Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler; Fuel Tank Filler Neck; Fuel Filler Hose; Filler Pipe; Pipe, Fuel Tank Filler
Fits the following Cadillac Models:
- SRX | 2004 | Base | 6 Cyl 3.6 L GAS, 8 Cyl 4.6 L GAS
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Cadillac Filler Neck
Part Number: 15749594
Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler *Marked Print; Fuel Tank Filler Neck; Fuel Filler Hose; Filler Pipe; Pipe, Fuel Tank Filler
Fits the following Cadillac Models:
- Escalade EXT | 2002 | Base | 8 Cyl 6.0 L GAS
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Cadillac Filler Neck
Part Number: 20789052
Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler; Fuel Tank Filler Neck; Fuel Filler Hose; Filler Pipe; Pipe, Fuel Tank Filler
- Replaces: 15292861, 25910780, 25798413
Fits the following Cadillac Models:
- STS | 2005-2011 | Base, Platinum, V | 6 Cyl 3.6 L GAS, 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS
View related parts
Cadillac Filler Neck
Part Number: 15776495
Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler; Fuel Tank Filler Neck; Fuel Filler Hose; Pipe, Fuel Tank Filler
Fits the following Cadillac Models:
- Escalade EXT | 2006 | Base | 8 Cyl 6.0 L GAS
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Cadillac Filler Neck
Part Number: 25745472
Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler; Fuel Tank Filler Neck; Fuel Filler Hose; Filler Pipe; Pipe, Fuel Tank Filler
Fits the following Cadillac Models:
- CTS | 2003-2004 | Base, Luxury, Luxury Sport, V | 6 Cyl 3.2 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 5.7 L GAS
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Cadillac Filler Neck
Part Number: 15868849
Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler; Fuel Tank Filler Neck; Fuel Filler Hose; Filler Pipe; Pipe, Fuel Tank Filler
- Replaces: 15292862
Fits the following Cadillac Models:
- CTS | 2005-2007 | Base, V | 6 Cyl 2.8 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS
View related parts
Cadillac Filler Neck
Part Number: 25644582
Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler; Fuel Tank Filler Neck; Fuel Filler Hose; Filler Pipe; Pipe, Fuel Tank Filler
Fits the following Cadillac Models:
- DeVille | 1998-1999 | Base, Concours, d'Elegance | 8 Cyl 4.6 L GAS
View related parts
Cadillac Filler Neck
Part Number: 3526548
Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler; Fuel Tank Filler Neck; Fuel Filler Hose; Filler Pipe; Pipe, Fuel Tank Filler
Fits the following Cadillac Models:
- Eldorado | 1986-1992 | Base, Biarritz, Spring Edition, Touring | 8 Cyl 4.1 L GAS, 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
- Seville | 1986-1992 | Base, Elegante, STS | 8 Cyl 4.1 L GAS, 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
View related parts
Cadillac Filler Neck
Part Number: 22576177
Product Specifications
- Other Name: Pipe Assembly-Fuel Tank Filler; Fuel Tank Filler Neck; Fuel Filler Hose; Filler Pipe; Neck; Pipe, Fuel Tank Filler
Fits the following Cadillac Models:
- Cimarron | 1984-1988 | Base, d'Oro | 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
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Cadillac Filler Pipe
Part Number: 22519391
Product Specifications
- Other Name: Pipe Assembly; Pipe, Fuel Tank Filler
Fits the following Cadillac Models:
- DeVille | 1985 | Base, Cabriolet, d'Elegance | 6 Cyl 4.3 L DIESEL
- Fleetwood | 1985 | 75, 75 Formal, Base, d'Elegance | 6 Cyl 4.3 L DIESEL
View related parts
Cadillac Filler Neck
Part Number: 25655921
Product Specifications
- Other Name: Pipe; Fuel Tank Filler Neck; Fuel Filler Hose; Filler Pipe; Pipe, Fuel Tank Filler
Fits the following Cadillac Models:
- Eldorado | 2000-2002 | ESC, ETC | 8 Cyl 4.6 L GAS

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Cadillac Fuel Tank Filler Neck Parts Questions & Experts Answers

Filler Neck
25655921
Q: How to Service and Repair the Fuel Tank Filler Neck on a Cadillac Eldorado?
A: Start the replacement of the fuel tank filler pipe housing by opening the fuel filler door and removing its fuel cap. Start the repair by unscrewing the fuel filler door release actuator to the pocket then remove its four fasteners followed by unfastening the pipe retaining three fasteners. You can uninstall the fuel filler pocket by pulling the release cable in the backward direction. Shortly after positioning the fuel filler pocket behind the door latch by pulling on the release cable you must fasten its 4 retaining fasteners to 2 n.m (18 lb in). Tighten the 3 fasteners that connect the filler pipe to the filler pocket up to 1.8 n.m (16 lb in). The next step should be to install the fuel filler door release actuator retaining nut by applying 3 n.m (26.5 lb in). Then stuff in the fuel cap while finishing up by closing the fuel inlet door.

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Escalade CTS SRX DeVille Eldorado STS CT5 Fleetwood XT5 Cimarron Escalade ESV Escalade EXT Seville CT4