Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
![P5019(8)040 Coated Hypereutectic Dish Top Piston for 1985-1990 Chevrolet 7.4L [+0.040 in. Oversize]](https://www.jegs.com/images/mini_750/400/416/416-p5019(8)040.jpg)
Vehicle Info NeededENGINETECHPART NUMBER: 416-P5019(8)040
P5019(8)040 Coated Hypereutectic Dish Top Piston for 1985-1990 Chevrolet 7.4L [+0.040 in. Oversize]
$22699
Ships on 09/14/2026
Lowest Price GuaranteeGM
Piston1985-1990 Chevrolet 7.4L Dish Top Piston; Hypereutectic Alloy; Coated Skirts Size: +0.040 in. Oversize Set of 8
The Enginetech P5019(8)040 is a replacement piston for GM/Chevrolet, 7.4L 454 engines, sized at +0.040 in. Oversize. Hypereutectic alloy construction provides improved heat resistance and reduced expansion at operating temperature.
Enginetech P5019(8)040 Piston Features:
- Fitment: GM/Chevrolet, 7.4L 454
- Size: +0.040 in. Oversize
- Hypereutectic alloy piston construction
- Coated construction for improved wear resistance
- Engineered to OE specifications for direct replacement
- Note: Dish top .085 deep. 1.627 CH. Hyper. Coated skirt. Use R42558 or M42558 rings.
Part TypePiston
BrandENGINETECH
Package Height4.5
Package Width9.25
Package Length18.25
Weight16.5 PG
Part CategoryReplacement Parts
Compression Height1.625
Size+0.040 in. Oversize
QuantitySet of 8
Oil Ring Thickness3/16
RemanufacturedNo
Bore Diameter4.250
Piston StyleDish
Piston Pin Outside Diameter0.9898
Second Compression Ring Thickness5/64
Top Compression Ring Thickness5/64
Piston MaterialHypereutectic
FitmentGM/Chevrolet
Part FitmentDirect Fit
Engine Displacement7.4L 454
Vendor Part NumberP5019(8)040
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)
![1-Ton Automotive Shop Crane [Boom Operating Range: 34 in. to 45 in.]](https://www.jegs.com/images/mini_200/500/555/555-81044k.jpg)
JEGS
1-Ton Automotive Shop Crane [Boom Operating Range: 34 in. to 45 in.]
Part Number : 555-81044K
$23698
![Rotating Engine Stand [1000 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80059.jpg)
![Round Magnetic Parts Tray [5 1/2 in. Round]](https://www.jegs.com/images/mini_200/500/555/555-80080.jpg)
![Socket Set, 3/8 in. & 1/4 in. Drive [SAE/Metric 52-Piece]](https://www.jegs.com/images/mini_200/500/555/555-81565.jpg)
JEGS
Socket Set, 3/8 in. & 1/4 in. Drive [SAE/Metric 52-Piece]
Part Number : 555-81565
$2199$33.99
You Save$12.00
![Plier Set [5-Piece]](https://www.jegs.com/images/mini_200/500/555/555-w1717.jpg)
![Break-In Oil, 10W30 [1 Quart, 32 oz.]](https://www.jegs.com/images/mini_200/500/555/555-28067.jpg)
![Fender Cover with Pocket [23 in. W x 31 1/2 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65010.jpg)
JEGS
Fender Cover with Pocket [23 in. W x 31 1/2 in. L]
Part Number : 555-65010
$1499$16.99
You Save$2.00
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
![Brake Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72311.jpg)
JEGS
Engine Storage Bag 48 in. L x 35 in. W x 34 in. H
Part Number : 555-80039
$1199$12.99
You Save$1.00
![Mechanic Chair & Step Stool on Wheels [300 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-81156.jpg)
JEGS
Mechanic Chair & Step Stool on Wheels [300 lb. Capacity]
Part Number : 555-81156
$9099$111.99
You Save$21.00
![Heavy-Duty Steel Workbench [59.5 in. x 27.5 in. Bench Top]](https://www.jegs.com/images/mini_200/500/555/555-81440.jpg)
JEGS
Part Number : 555-81044K
$23698
Some parts are not legal for use in California or other states with similar laws / regulations
