How should the piston rings be installed and what steps are involved in checking and correcting the ring end gaps on Ford F-250?

Before installing the new piston rings, the ring end gaps must be checked, assuming that the piston ring side clearance has been verified correct. Lay out the piston/connecting rod assemblies and the new rings to match the ring sets with the same piston and cylinder during the end gap measurement and engine assembly. Insert the top ring into the first cylinder, squaring it with the cylinder walls by pushing it in with the top of the piston, ensuring it is near the bottom of the cylinder at the lower limit of ring travel. To measure the end gap, slip feeler gauges between the ends of the ring until a gauge equal to the gap width is found, ensuring the feeler gauge slides with slight drag. Compare the measurement to the specifications; if the gap is larger or smaller than specified, double-check to ensure the correct rings are being used. If the gap is too small, it must be enlarged to prevent the ring ends from contacting each other during engine operation, which can cause serious damage. The end gap can be increased by carefully filing the ring ends with a fine file, ensuring to file only from the outside in. The end gap should not exceed the specified value. Repeat the procedure for each ring installed in the first cylinder and for each ring in the remaining cylinders, keeping rings, pistons, and cylinders matched. Once the ring end gaps have been checked and corrected, the rings can be installed on the pistons, starting with the oil control ring, which consists of three components. Slip the spacer/expander into the groove, then install the lower side rail without using a piston ring installation tool to avoid damage, instead using fingers to guide it into place. Install the upper side rail in the same manner, ensuring both side rails can turn smoothly in the ring groove and staggering the gaps. The middle ring is installed next, marked to face up toward the top of the piston, and care should be taken not to mix it with the top ring, which is installed similarly, ensuring the mark is facing up. Repeat the procedure for the remaining pistons and rings.

Genuine Ford F-250 Piston Ring Set

Piston Ring

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18 Piston Ring Sets found

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Ford F-250 Kit - Piston Ring
Part Number: 2L3Z-6148-AA
$34.43 MSRP: $50.33
You Save: $15.90 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaced by: 6L3Z-6148-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1999 Ford F-250 | 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD, 5MT
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Ford F-250 Kit - Piston Ring
Part Number: F6TZ-6148-BC
$69.28 MSRP: $94.67
You Save: $25.39 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Manufacturer Note: STD#1825328-C91 rings come two to a package, DI turbo
- Replaced by: F7TZ-6148-AAA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996 Ford F-250 | 8 Cyl 7.3L | 3AT C6, 4AT E4OD, 5MT
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Ford F-250 Kit - Piston Ring
Part Number: F7AZ-6148-CA
$32.01 MSRP: $43.74
You Save: $11.73 (27%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1999 Ford F-250 | 8 Cyl 4.6L | 4AT 4R100, 4AT 4R70W, 4AT E4OD, 5MT
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Ford F-250 KIT - PISTON RING
Part Number: E6TZ6148A
$22.89 MSRP: $31.27
You Save: $8.38 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Piston Ring
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1986 Ford F-250 | 6 Cyl 4.9L, 8 Cyl 5.0L, 8 Cyl 5.8L, 8 Cyl 6.9L, 8 Cyl 7.5L | 3AT C6, 3MT, 4AT AOD, 4MT
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Ford F-250 Kit - Piston Ring
Part Number: E9TZ-6148-E
$46.57 MSRP: $63.63
You Save: $17.06 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Piston Rings; Piston Ring, Piston Ring Set
- Manufacturer Note: Standard, IDI non turbo
- Replaced by: E9TZ-6148-EA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1991-1996 Ford F-250 | 8 Cyl 7.3L | 3AT C6, 4AT AOD, 4AT E4OD, 4MT, 5MT
View related parts
Ford F-250 Kit - Piston Ring
Part Number: E9TZ-6148-EA
$46.57 MSRP: $63.63
You Save: $17.06 (27%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Manufacturer Note: Standard, IDI non turbo,
- Replaces: E9TZ-6148-E
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1991-1996 Ford F-250 | 8 Cyl 7.3L | 3AT C6, 4AT AOD, 4AT E4OD, 4MT, 5MT
View related parts
Ford F-250 Kit - Piston Ring
Part Number: 2L3Z-6148-CA
$151.80 MSRP: $230.00
You Save: $78.20 (34%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaced by: 6L3Z-6148-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1999 Ford F-250 | 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD, 5MT
View related parts
Ford F-250 Kit - Piston Ring
Part Number: F7AZ-6148-AA
$34.43 MSRP: $50.33
You Save: $15.90 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaced by: 6L3Z-6148-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1999 Ford F-250 | 8 Cyl 4.6L | 4AT 4R100, 4AT 4R70W, 4AT E4OD, 5MT
View related parts
Ford F-250 Kit - Piston Ring
Part Number: 2L3Z-6148-BA
$125.36 MSRP: $228.33
You Save: $102.97 (46%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Replaced by: 6L3Z-6148-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1999 Ford F-250 | 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD, 5MT
View related parts
Ford F-250 Kit - Piston Ring
Part Number: C3AZ-6148-F
Product Specifications
- Other Name: Piston Ring, Piston Ring Set
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1980-1993 Ford F-250 | 6 Cyl 4.9L, 8 Cyl 5.0L, 8 Cyl 5.8L, 8 Cyl 6.6L, 8 Cyl 6.9L, 8 Cyl 7.3L, 8 Cyl 7.5L | 3AT C6, 3MT, 4AT AOD, 4AT E4OD, 4MT, 5MT
View related parts
Ford F-250 Kit - Piston Ring
Part Number: E4TZ-6148-A
Product Specifications
- Other Name: Piston Ring
- Manufacturer Note: STANDARD
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1989 Ford F-250 | 6 Cyl 4.9L, 8 Cyl 5.0L, 8 Cyl 5.8L, 8 Cyl 6.9L, 8 Cyl 7.3L, 8 Cyl 7.5L | 3AT C6, 3MT, 4AT AOD, 4AT E4OD, 4MT, 5MT
View related parts
Ford F-250 Kit Piston Ring
Part Number: F3TZ6148DA
Product Specifications
- Other Name: Kit - Piston Ring
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1993-1994 Ford F-250 | 8 Cyl 7.3L | 3AT C6, 4AT AOD, 4AT E4OD, 4MT, 5MT
View related parts
Ford F-250 Kit Piston Ring
Part Number: F3TZ6148FA
Product Specifications
- Other Name: Kit - Piston Ring
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1993-1994 Ford F-250 | 8 Cyl 7.3L | 3AT C6, 4AT AOD, 4AT E4OD, 4MT, 5MT
View related parts
Ford F-250 Kit Piston Ring
Part Number: F3TZ6148H
Product Specifications
- Other Name: Kit - Piston Ring
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1993-1996 Ford F-250 | 8 Cyl 7.5L | 3AT C6, 4AT AOD, 4AT E4OD, 4MT, 5MT
View related parts
Ford F-250 Kit Piston Ring
Part Number: F3TZ6148J
Product Specifications
- Other Name: Kit - Piston Ring
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1993-1996 Ford F-250 | 8 Cyl 7.5L | 3AT C6, 4AT AOD, 4AT E4OD, 4MT, 5MT
View related parts
Ford F-250 Kit - Piston Ring
Part Number: F6TZ-6148-CC
Product Specifications
- Manufacturer Note: #1825329-C1 .010" O/S rings come two to a package, DI turbo
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996 Ford F-250 | 8 Cyl 7.3L | 3AT C6, 4AT E4OD, 5MT
View related parts
Ford F-250 Kit - Piston Ring
Part Number: F6TZ-6148-DD
Product Specifications
- Manufacturer Note: #1825330-C91 .020" O/S rings come two to a package, DI turbo
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996 Ford F-250 | 8 Cyl 7.3L | 3AT C6, 4AT E4OD, 5MT
View related parts
Ford F-250 Kit - Piston Ring
Part Number: F6TZ-6148-EE
Product Specifications
- Manufacturer Note: #1825331-C91 .030" O/S rings come two to a package, DI turbo
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996 Ford F-250 | 8 Cyl 7.3L | 3AT C6, 4AT E4OD, 5MT

Ford F-250 Piston Ring Set

The Piston Ring Set in Ford F-250 is a critical component in road vehicles particularly in combustion chamber where it contributes largely to the fuel air mixture burning while at the same time controlling gas leakages and formulation of engine oil consumption. These rings, usually are manufactured from cast iron or steel and as the function of their jobs it is necessary for these rings to create minimum amount of friction and at the same time it should give the optimal seal to prevent the escape of the oil which is very important for the efficiency and durability of the engines. Years of Ford F-250 models have seen various Piston Ring Sets designs in use varying from basic cast iron to modern thinner models. The last improvements involve thinner rings, third ring for instance being only 1mm thick as this helps to reduce friction and improve sealing capacity. Such technologies result in better control of oil and flexibility of design of pistons. Some of the Piston Ring Sets problems are likely to arise due to lack of lubrication and maintenance of the Ford F-250 vehicles such as binding as a result of the combustion deposits.

We provide a wide range of Ford F-250 Piston Ring Set at the best prices possible. If you need Ford F-250 Piston Ring Set, you can shop with confidence on our website. All our OEM parts come with a manufacturer's warranty and are delivered to your door step with a fast delivery service.

Ford F-250 Piston Ring Set Parts Questions & Experts Answers

Kit - Piston Ring
F6TZ-6148-BC
Q: How should the piston rings be installed and what steps are involved in checking and correcting the ring end gaps on Ford F-250?
A: Before installing the new Piston rings, the ring end gaps must be checked, assuming that the piston ring side clearance has been verified correct. Lay out the piston/connecting rod assemblies and the new rings to match the ring sets with the same piston and cylinder during the end gap measurement and engine assembly. Insert the top ring into the first cylinder, squaring it with the cylinder walls by pushing it in with the top of the piston, ensuring it is near the bottom of the cylinder at the lower limit of ring travel. To measure the end gap, slip feeler gauges between the ends of the ring until a gauge equal to the gap width is found, ensuring the feeler gauge slides with slight drag. Compare the measurement to the specifications; if the gap is larger or smaller than specified, double-check to ensure the correct rings are being used. If the gap is too small, it must be enlarged to prevent the ring ends from contacting each other during engine operation, which can cause serious damage. The end gap can be increased by carefully filing the ring ends with a fine file, ensuring to file only from the outside in. The end gap should not exceed the specified value. Repeat the procedure for each ring installed in the first cylinder and for each ring in the remaining cylinders, keeping rings, pistons, and cylinders matched. Once the ring end gaps have been checked and corrected, the rings can be installed on the pistons, starting with the oil control ring, which consists of three components. Slip the spacer/expander into the groove, then install the lower side rail without using a piston ring installation tool to avoid damage, instead using fingers to guide it into place. Install the upper side rail in the same manner, ensuring both side rails can turn smoothly in the ring groove and staggering the gaps. The middle ring is installed next, marked to face up toward the top of the piston, and care should be taken not to mix it with the top ring, which is installed similarly, ensuring the mark is facing up. Repeat the procedure for the remaining pistons and rings.