2021 Ford GTFACTORY OEM SERVICE PROCEDURE

Exploded View Of Lower Engine Block

Lower Engine Block (View 1)Β 

GFD344420Courtesy of FORD MOTOR COMPANY
Item Part Number Description
1 6375 Starter ring gear
2 12A227 Crankshaft sensor ring
3 6K301 Crankshaft rear seal retainer plate
4 9D290 Oil pressure sensor
5 -- Oil filter adapter block off plate
6 -- Oil filter adapter block off plate gasket
7 -- Oil pump belt tensioner
8 6622 Oil feed manifold
9 -- Tube and filter O-ring seal
10 6622 Tube and filter assembly
11 -- Tube and filter O-ring seal
12 6675 Oil pan
13 6L621 Oil pump seal
14 6L621 Oil pump O-ring seal
15 6600 Oil pump assembly
16 6714 Engine oil filter
17 6840 Engine oil cooler O-ring seal
18 6840 Engine oil cooler O-ring seal
19 6A642 Engine oil cooler

Lower Engine Block (View 2)Β 

GFD344421Courtesy of FORD MOTOR COMPANY
Item Part Number Description
1 6110 Piston and connecting rod assembly (6 required)
2 6211 Connecting rod upper bearing (6 required)
3 6211 Connecting rod lower bearing (6 required)
4 6010 Cylinder block
5 6K868 Piston oil cool valve (3 required)
6 6333 Cylinder block crankshaft main bearing (4 required)
7 6303 Crankshaft
8 6A341 Crankshaft upper thrust inner washer
9 6A341 Crankshaft upper thrust outer washer
10 6K302 Crankshaft lower thrust washer
11 6A338 Lower crankshaft main bearings (4 required)
12 6325 Lower crankshaft main bearing caps (4 required)
13 6C364 Main bearing cap support brace
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.