Genuine 2021 GMC Sierra Piston Ring

Piston Ring Set

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

9 Piston Rings found

View related parts
2021 GMC Sierra Ring Kit, Pstn (Std)
Part Number: 12685185
$24.99 MSRP: $41.37
You Save: $16.38 (40%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Piston Ring
- Replaces: 12663867, 12656880
- Item Weight: 0.30 Pounds
- Item Dimensions: 6.2 x 6.3 x 6.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12685185
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
- 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, 1500 DOUBLE CAB STANDARD BOX, CREW CAB 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, Crew Cab 6'6" Box 1/2 Ton, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON | 8 Cyl 6.2L
View related parts
2021 GMC Sierra Ring Kit, Pstn (Std, Rpo L83)
Part Number: 12691926
$22.12 MSRP: $36.96
You Save: $14.84 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Piston Ring
- Replaces: 12663865, 12656881
- Item Weight: 0.30 Pounds
- Item Dimensions: 5.2 x 5.1 x 0.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 8
- SKU: 12691926
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
- 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, 1500 DOUBLE CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CREW CAB 1/2 TON, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, Crew Cab 6'6" Box 1/2 Ton, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 8 Cyl 5.3L, 8 Cyl5.3L
View related parts
2021 GMC Sierra Ring Kit, Pstn (.5Mm O/S)
Part Number: 12687779
$39.54 MSRP: $98.27
You Save: $58.73 (60%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Piston Ring
- Replaces: 12663863, 12658745
- Item Weight: 0.40 Pounds
- Item Dimensions: 5.9 x 5.9 x 1.2 inches
- Condition: New
- SKU: 12687779
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
- 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, 1500 DOUBLE CAB STANDARD BOX, CREW CAB 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, Crew Cab 6'6" Box 1/2 Ton, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON | 8 Cyl 6.2L
View related parts
2021 GMC Sierra Ring Kit, Pstn (Std)
Part Number: 12685186
$20.45 MSRP: $33.83
You Save: $13.38 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Piston Ring
- Replaces: 12663866, 12656882
- Item Weight: 0.40 Pounds
- Item Dimensions: 5.6 x 5.4 x 1.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 6
- SKU: 12685186
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
- 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, 1500 DOUBLE CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CREW CAB 1/2 TON, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 6 Cyl 4.3L
View related parts
2021 GMC Sierra Ring Kit, Pstn (.5Mm O/S, Rpo L83)
Part Number: 12691927
$70.46 MSRP: $110.87
You Save: $40.41 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Piston Ring
- Replaces: 12659285, 12663862
- Item Weight: 0.40 Pounds
- Item Dimensions: 5.9 x 5.9 x 1.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 8
- SKU: 12691927
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
- 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, 1500 DOUBLE CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CREW CAB 1/2 TON, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, Crew Cab 6'6" Box 1/2 Ton, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 8 Cyl 5.3L, 8 Cyl5.3L
View related parts
2021 GMC Sierra Ring Kit, Piston (.5Mm Oversize)
Part Number: 12661872
$90.27 MSRP: $142.03
You Save: $51.76 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: RING KIT, Engine Piston; Piston Ring
- Item Weight: 0.40 Pounds
- Item Dimensions: 5.1 x 5.3 x 1.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12661872
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
- CREW CAB 1 TON CHASSIS 137.0, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 3/4 TON | 8 Cyl 6.6L
View related parts
2021 GMC Sierra Ring Kit, Pstn
Part Number: 55500618
$36.53 MSRP: $57.47
You Save: $20.94 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Piston Ring
- Item Weight: 0.40 Pounds
- Item Dimensions: 4.0 x 3.9 x 0.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 6
- SKU: 55500618
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
- CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON | 6 Cyl 3.0L Diesel
View related parts
2021 GMC Sierra RING KIT-PSTN
Part Number: 12720004
$11.99 MSRP: $18.87
You Save: $6.88 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Piston Ring
- Replaced by: 12693554
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12720004
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2021 GMC Sierra Submodels:
- CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, Crew Cab 6'6" Box 1/2 Ton, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 4 Cyl 2.7L
View related parts
2021 GMC Sierra Ring Kit, Piston (Std Size)
Part Number: 12661871
Product Specifications
- Other Name: RING KIT, Engine Piston; Piston Ring
- Item Weight: 0.40 Pounds
- Item Dimensions: 5.1 x 5.2 x 1.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12661871
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2021 GMC Sierra Submodels:
- CREW CAB 1 TON CHASSIS 137.0, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 3/4 TON | 8 Cyl 6.2L, 8 Cyl 6.6L

2021 GMC Sierra Piston Ring

Achieve unprecedented performance experience with our genuine 2021 GMC Sierra Piston Ring. All our parts are engineered for a perfect fit and maximum durability to ensure that your Sierra returns to factory condition. Specially designed for the 2021 GMC Sierra, this Piston Ring offers superior reliability and ease of installation for anyone.

We are your prime source for competitively priced and high-quality OEM 2021 GMC Sierra Piston Ring. We provide you with parts that will allow you to save a lot of money without sacrificing quality. All our OEM parts are backed by the manufacturer's warranty and shipped out at a swift rate.

Related 2021 GMC Sierra Parts

Alternate Year Models

2020 GMC Sierra Piston Ring 2022 GMC Sierra Piston Ring