# Twin Power 72-81 Big Twin and XL Master Cylinder Cover Gasket Replaces H-D 45012-7210 Pk

Twin Power™ master cylinder cover gaskets for 1972-1981 Big Twin and XL models help ensure a proper seal under the cover, supporting consistent brake performance and fluid retention.

-   Model specific gaskets for early Big Twin and Sportster master cyclinders
-   Ideal to replace whenever the master cylinder is serviced
-   Helps prevent brake fluid seepage at the cover
-   Sold in packs of 10

This Part Fits:

Year

Make

Model

Submodel

1972-1980

Harley-Davidson

FLH Electra Glide

Base

1980-1981

Harley-Davidson

FLHS Electra Glide Sport

Base

1980-1981

Harley-Davidson

FLT Tour Glide

Base

1972-1978

Harley-Davidson

FX Super Glide

Base

1980-1981

Harley-Davidson

FXB Sturgis

Base

1974-1981

Harley-Davidson

FXE Super Glide

Base

1979-1981

Harley-Davidson

FXEF Fat Bob

Base

1977-1981

Harley-Davidson

FXS Low Rider

Base

1980-1981

Harley-Davidson

FXWG Wide Glide

Base

1972-1973

Harley-Davidson

GE Servi-Car

Base

1976

Harley-Davidson

SS125

Base

1976

Harley-Davidson

SS175

Base

1975-1976

Harley-Davidson

SS250

Base

1972-1974

Harley-Davidson

SS350

Base

1974-1975

Harley-Davidson

SX125

Base

1974-1975

Harley-Davidson

SX175

Base

1975-1976,1978

Harley-Davidson

SX250

Base

1976-1977

Harley-Davidson

SXT125

Base

1973-1975

Harley-Davidson

X90

Base

1972-1979

Harley-Davidson

XLCH

Base

1977-1978

Harley-Davidson

XLCR Cafe Racer

Base

1978-1981

Harley-Davidson

XLS Roadster

Base

1977-1978

Harley-Davidson

XLT

Base

1973-1975

Harley-Davidson

Z90

Base

## Details

- **Price:** 77.94 CAD
- **Vendor:** TwinPower
- **Type:** Gasket Kits

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 77.94 CAD | In stock |

## Images

- Photo - Primary

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/twin-power-72-81-big-twin-and-xl-master-cylinder-cover-gasket-replaces-h-d-45012-7210-pk)
> Updated: 2026-07-14