OEM Honda Acura K-Series Crankshaft Key Way 90704-PNA-000

Genuine OEM Honda / Acura K-Series Crankshaft Key 90704-PNA-000

This Genuine OEM Honda / Acura K-Series crankshaft key is used on select K20 and K24 engine applications.

Honda / Acura part number 90704-PNA-000 is cataloged as Key (4.5X21) and is commonly searched as a crankshaft key, crank key, crank pulley key, crankshaft keyway, crank pulley keyway, or woodruff key.

This small key helps align and locate the crankshaft pulley / crank timing components on the crankshaft. It is commonly replaced when the original key is missing, worn, damaged, rounded, misplaced, or lost during engine assembly, crank pulley removal, timing service, oil pump service, or K-Series engine rebuild work.

What’s Included

1 Genuine OEM Honda / Acura crankshaft key
OEM part number: 90704-PNA-000
Catalog name: Key (4.5X21)
Sold individually

Engine Fitment

Fits select Honda / Acura K-Series engine applications, including:

K20A
K20A2
K20A3
K20Z1
K20Z3
K24A2
K24A4

Common Applications

Commonly used on select Honda / Acura K-Series applications, including RSX, Civic Si, Accord, TSX, CR-V, Element, and K-swap engine setups when the original crankshaft key and diagram match.

Fitment Note

This crankshaft key is for select K-Series crankshaft / crank pulley locations. Fitment may vary by engine code, crankshaft, crank pulley, timing components, oil pump setup, and swap configuration.

Please verify by engine code, original part number, crankshaft diagram, and service manual before ordering.

Additional Product Information

This Genuine OEM Honda / Acura crankshaft key is a small but important hardware piece used to help locate the crank pulley and related crankshaft components properly. Because of its small size, it is easy to lose during engine disassembly or K-Series rebuild work. Sold individually as a direct OEM replacement.