How to service and repair the fuel rail and replace the fuel injectors on Cadillac CTS?

The Fuel Rail repair requires the first step to be relieving fuel system pressure before the work begins. The technician should first detach the upper Intake Manifold and lower Intake Manifold before taking off the fuel pipe retaining clip to remove the fuel feed pipe from the Fuel Injector rail. Compressed air should be used to remove debris from the entry points of the fuel injectors into the Intake Manifold. Remove the Fuel Rail bolts while safeguarding injector electrical connector terminals and spray tips before you support the Fuel Rail during removal procedure. Secure the fittings along with plugging the holes to avoid contamination. First disconnect the Fuel Rail along with the fuel injectors then unlock the Fuel Injector electrical connection and finally remove the electrical connector. Uninstall the Fuel Injector retainer clip followed by the Fuel Injector along with disposal of the old Fuel Injector seals. New Fuel Injector seals must be used before mounting the Fuel Injector with its dedicated retainer clip. After installing the new Fuel Injector seals connect the Fuel Injector electrical connector and use the lock mechanism to fasten it. The Fuel Rail should be placed into position alongside fuel injectors after making sure that Fuel Rail bolts are tightened at 10 n.m (89 lb in). The installation process ends with feeding the fuel pipe to connect with the Fuel Rail and adding a retaining clip before reinstalling the upper Intake Manifold.

OEM Cadillac CTS Fuel Rail

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15 Fuel Rails found

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Cadillac CTS Fuel Rail
Part Number: 12633511
$252.40 MSRP: $512.64
You Save: $260.24 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Rail Kit, Fuel Injection; Rail, Fuel Injection
- Replaces: 12572174
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 Cadillac CTS | V | 8 Cyl 6.0 L GAS
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Cadillac CTS Fuel Rail
Part Number: 12629929
$147.45 MSRP: $299.50
You Save: $152.05 (51%)
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Product Specifications
- Other Name: Rail, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Cadillac CTS | Base, Luxury, Performance, Premium, Vsport, Vsport Premium | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Cadillac CTS Fuel Rail
Part Number: 12605222
$500.90 MSRP: $940.66
You Save: $439.76 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Rail Kit, Fuel Injection; Rail, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015, 2009-2010 Cadillac CTS | V | 8 Cyl 6.2 L GAS
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Cadillac CTS Fuel Rail
Part Number: 12701658
$168.62 MSRP: $302.46
You Save: $133.84 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Rail, Fuel Injection
- Replaces: 12668188
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Cadillac CTS | Base, Luxury, Performance, Premium, Vsport, Vsport Premium | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Cadillac CTS Fuel Rail
Part Number: 12706269
$115.00 MSRP: $180.94
You Save: $65.94 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Rail, Fuel Injection
- Replaces: 12671079
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Cadillac CTS | Luxury, Premium, Premium Luxury | 6 Cyl 3.6 L GAS
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Cadillac CTS Fuel Rail
Part Number: 12729466
$107.80 MSRP: $218.96
You Save: $111.16 (51%)
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Product Specifications
- Other Name: Rail-Fuel Injection Fuel *Must Use Together With; Rail, Fuel Injection
- Replaced by: 12729462
- Replaces: 12659649, 12701134, 12684181, 12669884, 12623121, 12668399, 12687244, 12707884
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2019 Cadillac CTS | V | 8 Cyl 6.2 L GAS
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Cadillac CTS Fuel Rail
Part Number: 12729464
$122.07 MSRP: $218.96
You Save: $96.89 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Rail-Fuel Injection Fuel *Must Use Together With; Rail, Fuel Injection
- Replaces: 12669883, 12701132, 12707882, 12685360, 12623129, 12668400, 12659650, 12684180
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2019 Cadillac CTS | V | 8 Cyl 6.2 L GAS
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Cadillac CTS Fuel Rail
Part Number: 12709433
$115.57 MSRP: $207.30
You Save: $91.73 (45%)
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Product Specifications
- Other Name: Rail, Fuel Injection
- Replaces: 12671078
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Cadillac CTS | Luxury, Premium, Premium Luxury | 6 Cyl 3.6 L GAS
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Cadillac CTS Fuel Rail
Part Number: 12662756
$125.58 MSRP: $508.92
You Save: $383.34 (76%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Rail, Fuel Injection
- Replaced by: 12720449
- Replaces: 12642950
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2019 Cadillac CTS | Vsport, Vsport Premium, Vsport Premium Luxury | 6 Cyl 3.6 L GAS
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Cadillac CTS Fuel Rail
Part Number: 12654644
$222.68 MSRP: $418.18
You Save: $195.50 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Rail, Fuel Injection
- Replaces: 12627090
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Cadillac CTS | Base, Luxury, Performance, Premium | 4 Cyl 2.0 L GAS
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Cadillac CTS Fuel Rail
Part Number: 12642953
$152.36 MSRP: $428.98
You Save: $276.62 (65%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Rail, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2019 Cadillac CTS | Vsport, Vsport Premium, Vsport Premium Luxury | 6 Cyl 3.6 L GAS
View related parts
Cadillac CTS Fuel Rail
Part Number: 12627090
$222.68 MSRP: $418.18
You Save: $195.50 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Rail, Fuel Injection
- Replaced by: 12654644
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2016 Cadillac CTS | Base, Luxury, Performance, Premium | 4 Cyl 2.0 L GAS
View related parts
Cadillac CTS Fuel Rail
Part Number: 12572886
$126.04 MSRP: $236.72
You Save: $110.68 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Rail, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2009 Cadillac CTS | Base | 6 Cyl 2.8 L GAS, 6 Cyl 3.6 L GAS
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Cadillac CTS Fuel Rail
Part Number: 90411881
Product Specifications
- Other Name: Rail, Multiport Fuel Injection Fuel; Rail, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2004 Cadillac CTS | Base, Luxury, Luxury Sport | 6 Cyl 3.2 L GAS
View related parts
Cadillac CTS Fuel Rail
Part Number: 12561858
Product Specifications
- Other Name: Rail, Fuel Injection
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 Cadillac CTS | V | 8 Cyl 5.7 L GAS

Cadillac CTS Fuel Rail

Our website offers an extensive catalog of genuine Cadillac CTS Fuel Rail at unbeatable prices. Every OEM Cadillac CTS Fuel Rail comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

Cadillac CTS Fuel Rail Parts Questions & Experts Answers

Fuel Rail
12633511
Q: How to service and repair the fuel rail and replace the fuel injectors on Cadillac CTS?
A: The Fuel Rail repair requires the first step to be relieving fuel system pressure before the work begins. The technician should first detach the upper Intake Manifold and lower Intake Manifold before taking off the fuel pipe retaining clip to remove the fuel feed pipe from the Fuel Injector rail. Compressed air should be used to remove debris from the entry points of the fuel injectors into the Intake Manifold. Remove the Fuel Rail bolts while safeguarding injector electrical connector terminals and spray tips before you support the Fuel Rail during removal procedure. Secure the fittings along with plugging the holes to avoid contamination. First disconnect the Fuel Rail along with the fuel injectors then unlock the Fuel Injector electrical connection and finally remove the electrical connector. Uninstall the Fuel Injector retainer clip followed by the Fuel Injector along with disposal of the old Fuel Injector seals. New Fuel Injector seals must be used before mounting the Fuel Injector with its dedicated retainer clip. After installing the new Fuel Injector seals connect the Fuel Injector electrical connector and use the lock mechanism to fasten it. The Fuel Rail should be placed into position alongside fuel injectors after making sure that Fuel Rail bolts are tightened at 10 n.m (89 lb in). The installation process ends with feeding the fuel pipe to connect with the Fuel Rail and adding a retaining clip before reinstalling the upper Intake Manifold.

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