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Free Shipping over $99

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Free Shipping over $99

Orders $99 or more ship free within the contiguous U.S.
May not apply to engines or oversized orders.

Shipping Policy

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Earn up to 1.5 points for every $1 spent. That’s up to 4.5% back that you can redeem and save on future orders. Excludes engine & lower unit sales.

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Our top priority is your ultimate satisfaction, and to get you back to boating as soon as possible.

Contact a Parts Pro

SALE - 4-Stroke Marine Engine Oil

(61 products)
  • Sierra - 10W40 FCW 4-Cycle Outboard Synthetic Blend Oil - Gallon - 95513

    SIERRA

    Sierra - 10W40 FCW 4-Cycle Outboard Synthetic Blend Oil - Gallon - 95513

    $43.55 $46.79
    Learn More
  • Sierra - 10W-30 4 Stroke Outboard Marine Engine Oil - Gallon - 2 Pack - 9420CAT3

    SIERRA

    Sierra - 10W-30 4 Stroke Outboard Marine Engine Oil - Gallon - 2 Pack - 9420CAT3

    $92.84
    Learn More
  • Sierra - 10W-30 4 Stroke Outboard Marine Engine Oil - Gallon - 6 Pack - 9420CAT3

    SIERRA

    Sierra - 10W-30 4 Stroke Outboard Marine Engine Oil - Gallon - 6 Pack - 9420CAT3

    $278.52
    Learn More
  • Sierra - SAE 10W-30 FCW 4 Stroke Outboard Marine Engine Oil - Quart - 94202

    SIERRA

    Sierra - SAE 10W-30 FCW 4 Stroke Outboard Marine Engine Oil - Quart - 94202

    $12.56 $13.69
    Learn More
  • Sierra - SAE 30 Full Synthetic Marine Engine Oil - 5 Quart - 2 Pack - 94104

    SIERRA

    Sierra - SAE 30 Full Synthetic Marine Engine Oil - 5 Quart - 2 Pack - 94104

    $134.70
    Learn More
  • Sierra - 10W40 FCW 4 Stroke Outboard Synthetic Blend Engine Oil - Quart - 95512

    SIERRA

    Sierra - 10W40 FCW 4 Stroke Outboard Synthetic Blend Engine Oil - Quart - 95512

    (1)
    $11.73 $12.79
    Learn More
  • Sierra - 4-Stroke 10W-30 Outboard Marine Engine Oil - Gallon - 9420CAT3

    SIERRA

    Sierra - 4-Stroke 10W-30 Outboard Marine Engine Oil - Gallon - 9420CAT3

    $46.42
    Learn More
  • Sierra - SAE 10W-30 FC-W 4 Stroke Outboard Marine Engine Oil - Gallon - 94203

    SIERRA

    Sierra - SAE 10W-30 FC-W 4 Stroke Outboard Marine Engine Oil - Gallon - 94203

    (1)
    $43.11 $46.59
    Learn More
  • Sierra - SAE 10W-30 FC-W 4 Stroke Outboard Marine Engine Oil - Quart - 2 Pack - 94202

    SIERRA

    Sierra - SAE 10W-30 FC-W 4 Stroke Outboard Marine Engine Oil - Quart - 2 Pack - 94202

    $25.12
    Learn More
  • Sierra - SAE 30 Full Synthetic Marine Engine Oil - 5 Quart - 94104

    SIERRA

    Sierra - SAE 30 Full Synthetic Marine Engine Oil - 5 Quart - 94104

    $67.35 $80.19
    Learn More
  • Sierra - SAE 30 Full Synthetic Marine Engine Oil - Quart - 94102

    SIERRA

    Sierra - SAE 30 Full Synthetic Marine Engine Oil - Quart - 94102

    $17.24 $17.39
    Learn More
  • Sierra - SAE 10W-30 FC-W 4 Stroke Outboard Marine Engine Oil - Quart - 6 Pack - 94202

    SIERRA

    Sierra - SAE 10W-30 FC-W 4 Stroke Outboard Marine Engine Oil - Quart - 6 Pack - 94202

    $75.36
    Learn More
  • Sierra - SAE 25W-40 FC-W 4 Stroke Marine Engine Oil - 5 Quart - 2 Pack - 94004

    SIERRA

    Sierra - SAE 25W-40 FC-W 4 Stroke Marine Engine Oil - 5 Quart - 2 Pack - 94004

    $125.10
    Learn More
  • Sierra - SAE 10W-30 FC-W 4 Stroke Outboard Marine Engine Oil - Quart - 12 Pack - 94202

    SIERRA

    Sierra - SAE 10W-30 FC-W 4 Stroke Outboard Marine Engine Oil - Quart - 12 Pack - 94202

    $150.72
    Learn More
  • Sierra - 10W-30 Synthetic 4 Stroke Engine Oil - Quart - 96902

    SIERRA

    Sierra - 10W-30 Synthetic 4 Stroke Engine Oil - Quart - 96902

    $23.64
    Learn More
  • Sierra - 25W40 FCW 4-Cycle Stern Drive Engine Oil - 5 Quart - 9400CAT4

    SIERRA

    Sierra - 25W40 FCW 4-Cycle Stern Drive Engine Oil - 5 Quart - 9400CAT4

    $66.44
    Learn More
  • Sierra - SAE 25W-40 FC-W 4 Stroke Marine Engine Oil - 5 Quart - 94004

    SIERRA

    Sierra - SAE 25W-40 FC-W 4 Stroke Marine Engine Oil - 5 Quart - 94004

    $62.55 $71.29
    Learn More
  • Sierra - 10W-30 FC-W Synthetic 4 Stroke Engine Oil - Gallon - 96903

    SIERRA

    Sierra - 10W-30 FC-W Synthetic 4 Stroke Engine Oil - Gallon - 96903

    $75.24 $81.19
    Learn More
  • Sierra - 25W-40 FC-W Synthetic Blend 4 Stroke Inboard/Sterndrive Engine Oil - 5 Quart - 2 Pack - 1894404

    SIERRA

    Sierra - 25W-40 FC-W Synthetic Blend 4 Stroke Inboard/Sterndrive Engine Oil - 5 Quart - 2 Pack - 1894404

    $146.50
    Learn More
  • Sierra - 10W-30 Synthetic 4 Stroke Engine Oil - Quart - 6 Pack - 96902

    SIERRA

    Sierra - 10W-30 Synthetic 4 Stroke Engine Oil - Quart - 6 Pack - 96902

    $141.84
    Learn More
  • Sierra - 10W-30 Synthetic 4 Stroke Engine Oil - Quart - 2 Pack - 96902

    SIERRA

    Sierra - 10W-30 Synthetic 4 Stroke Engine Oil - Quart - 2 Pack - 96902

    $47.28
    Learn More
  • Sierra - SAE 30 Full Synthetic Marine Engine Oil - 5 Quart - 4 Pack - 94104

    SIERRA

    Sierra - SAE 30 Full Synthetic Marine Engine Oil - 5 Quart - 4 Pack - 94104

    $269.40
    Learn More
  • Sierra - SAE 25W-40 FC-W 4 Stroke Marine Engine Oil - 5 Quart - 4 Pack - 94004

    SIERRA

    Sierra - SAE 25W-40 FC-W 4 Stroke Marine Engine Oil - 5 Quart - 4 Pack - 94004

    $250.20
    Learn More
  • Sierra - SAE 25W-40 FC-W 4 Stroke Marine Engine Oil - Quart - 6 Pack - 94002

    SIERRA

    Sierra - SAE 25W-40 FC-W 4 Stroke Marine Engine Oil - Quart - 6 Pack - 94002

    $84.30
    Learn More
  • Sierra - SAE 25W-40 FC-W 4 Stroke Marine Engine Oil - Quart - 2 Pack - 94002

    SIERRA

    Sierra - SAE 25W-40 FC-W 4 Stroke Marine Engine Oil - Quart - 2 Pack - 94002

    $28.10
    Learn More
  • Sierra - 25W-40 FC-W 4 Stroke Stern Drive Engine Oil - 5 Quart - 4 Pack - 9400CAT4

    SIERRA

    Sierra - 25W-40 FC-W 4 Stroke Stern Drive Engine Oil - 5 Quart - 4 Pack - 9400CAT4

    $265.76
    Learn More
  • Sierra - 25W-40 Synthetic 4 Stroke Inboard/Sterndrive Engine Oil Blend - Quart - 1894402

    SIERRA

    Sierra - 25W-40 Synthetic 4 Stroke Inboard/Sterndrive Engine Oil Blend - Quart - 1894402

    $14.00 $18.99
    Learn More
  • Sierra - 25W-40 FC-W Synthetic Blend 4 Stroke Inboard/Sterndrive Engine Oil - 5 Quart - 1894404

    SIERRA

    Sierra - 25W-40 FC-W Synthetic Blend 4 Stroke Inboard/Sterndrive Engine Oil - 5 Quart - 1894404

    $73.25 $88.69
    Learn More
  • Sierra - 25W50 FCW 4-Cycle Outboard Synthetic Blend Oil - 4 Liter - 95523

    SIERRA

    Sierra - 25W50 FCW 4-Cycle Outboard Synthetic Blend Oil - 4 Liter - 95523

    $58.95 $66.79
    Learn More
  • Sierra - 10W-30 FC-W Synthetic 4 Stroke Engine Oil - Gallon - 6 Pack - 96903

    SIERRA

    Sierra - 10W-30 FC-W Synthetic 4 Stroke Engine Oil - Gallon - 6 Pack - 96903

    $451.44
    Learn More
  • Sierra - Oil Change Kit for Yamaha F150 VF150 VF175 - 10W-30 Full Synthetic - PVLK5036

    SIERRA

    Sierra - Oil Change Kit for Yamaha F150 VF150 VF175 - 10W-30 Full Synthetic - PVLK5036

    $101.19
    Learn More
  • Sierra - 25W-40 FC-W Synthetic Blend 4 Stroke Inboard-Sterndrive Engine Oil - Quart - 6 Pack - 9440CAT2

    SIERRA

    Sierra - 25W-40 FC-W Synthetic Blend 4 Stroke Inboard-Sterndrive Engine Oil - Quart - 6 Pack - 9440CAT2

    $86.94
    Learn More
  • Sierra - 25W-40 FC-W 4 Stroke Stern Drive Engine Oil - Quart - 6 Pack - 9400CAT2

    SIERRA

    Sierra - 25W-40 FC-W 4 Stroke Stern Drive Engine Oil - Quart - 6 Pack - 9400CAT2

    $86.10
    Learn More
  • Sierra - 25W-40 FC-W 4 Stroke Stern Drive Engine Oil - Quart - 12 Pack - 9400CAT2

    SIERRA

    Sierra - 25W-40 FC-W 4 Stroke Stern Drive Engine Oil - Quart - 12 Pack - 9400CAT2

    $172.20
    Learn More
  • Sierra - 25W-40 FC-W 4 Stroke Stern Drive Engine Oil - Quart - 2 Pack - 9400CAT2

    SIERRA

    Sierra - 25W-40 FC-W 4 Stroke Stern Drive Engine Oil - Quart - 2 Pack - 9400CAT2

    $28.70
    Learn More
  • Sierra - 10W-30 FC-W Synthetic 4 Stroke Engine Oil - Gallon - 2 Pack - 96903

    SIERRA

    Sierra - 10W-30 FC-W Synthetic 4 Stroke Engine Oil - Gallon - 2 Pack - 96903

    $150.48
    Learn More