Lock Nuts

Genuine Lock Nuts for Onan, Cummins & Fleetguard Power Engines

Ensure your power engine’s stability with our authentic Lock Nuts, engineered specifically for Onan, Cummins, and Fleetguard equipment. These lock nuts provide a secure fastening solution essential for maintaining engine integrity and preventing loosening from vibration or stress.

Secure Your Engine with Genuine Lock Nuts from Power Engines Parts

Our range includes nylon-insert lock nuts, all-metal lock nuts, and standard lock nuts, each designed to meet the highest standards of durability and reliability. Crafted from premium-grade materials, these lock nuts ensure long-lasting performance and superior resistance to wear and corrosion.

  • Authentic Quality: Genuine parts tailored for Onan, Cummins, and Fleetguard engines.
  • Variety of Types & Sizes: To perfectly fit your engine model and assembly needs.
  • Enhanced Engine Stability: Prevents loosening and improves overall power engine efficiency.

Why Choose Our Lock Nuts? We offer expert-vetted, genuine replacement lock nuts that guarantee durability, precision fit, and trusted performance for your power engines.

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  • Qty in Cart
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  • CUMMINS 115508 - LOCK NUT OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 115508 LOCK NUT OEM part

    CUMMINS

    $25.45
    $22.90
    CUMMINS 115508 - LOCK NUT MINS115508 Looking for an original 115508 - LOCK NUT for your outdoor equipment? Look no further! We offer the CUMMINS 115508 - LOCK NUT at the best price you'll find...
    $25.45
    $22.90
    Qty in Cart: 0
    Quantity:
    Price:
    $25.45
    $22.90
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  • CUMMINS 113051 - LOCK NUT OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 113051 LOCK NUT OEM part

    CUMMINS

    $44.76
    $40.28
    CUMMINS 113051 - LOCK NUT MINS113051 Looking for original 113051 - LOCK NUT for your outdoor equipment? Look no further. Our store offers the genuine CUMMINS 113051 - LOCK NUT at the best price...
    $44.76
    $40.28
    Qty in Cart: 0
    Quantity:
    Price:
    $44.76
    $40.28
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  • CUMMINS 108074 - LOCK NUT OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 108074 LOCK NUT OEM part

    CUMMINS

    $16.52
    $14.86
    CUMMINS 108074 - LOCK NUT MINS108074 Find the original 108074 - LOCK NUT by CUMMINS at our store, the best source for genuine water pump gaskets. With the best price and fast shipping, we ensure you...
    $16.52
    $14.86
    Qty in Cart: 0
    Quantity:
    Price:
    $16.52
    $14.86
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  • ONAN A029C938 - SELF LOCK HEX NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN A029C938 SELF LOCK HEX NUT ONAN/CUMMINS OEM part

    ONAN

    $6.78
    $6.10
    ONAN SELF LOCK HEX NUT - /CUMMINS A029C938 When it comes to finding original replacement parts like the SELF LOCK HEX NUT - /CUMMINS, our store is your best option. We offer genuine ONAN A029C938 -...
    $6.78
    $6.10
    Qty in Cart: 0
    Quantity:
    Price:
    $6.78
    $6.10
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  • ONAN A035F848 - SELF LOOK HEX NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN A035F848 SELF LOOK HEX NUT ONAN/CUMMINS OEM part

    ONAN

    $10.56
    $9.50
    ONAN SELF LOOK HEX NUT - /CUMMINS A035F848 Looking for the best place to find the original SELF LOOK HEX NUT - /CUMMINS at the best price? Look no further! Our store is your go-to destination for...
    $10.56
    $9.50
    Qty in Cart: 0
    Quantity:
    Price:
    $10.56
    $9.50
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  • ONAN 8702056 LOOK FLANGE NUT ONAN Genuine OEM Part

    ONAN 8702056 LOOK FLANGE NUT ONAN Genuine OEM Part

    ONAN

    $6.97
    $6.27
    Certified Genuine ONAN replacement part for guaranteed fit and durability Provides secure fastening to maintain generator engine integrity Designed to resist loosening under vibration and high-load...
    $6.97
    $6.27
    Qty in Cart: 0
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    Price:
    $6.97
    $6.27
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  • ONAN 870-2055 - 8702055 LOOK FLANGE NUT ONAN Genuine OEM Part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8702055 LOOK FLANGE NUT ONAN Genuine OEM Part

    ONAN

    $8.07
    $7.26
    Certified Genuine ONAN Replacement Part ensuring perfect fit and compatibility Essential for maintaining secure engine components, preventing loosening under vibration Designed to optimize power...
    $8.07
    $7.26
    Qty in Cart: 0
    Quantity:
    Price:
    $8.07
    $7.26
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  • ONAN 870-2054 - 8702054 LOOK FLANGE NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8702054 LOOK FLANGE NUT ONAN/CUMMINS OEM part

    ONAN

    $8.09
    $7.28
    ONAN LOOK FLANGE NUT - /CUMMINS 870-2054 Looking for the original LOOK FLANGE NUT - /CUMMINS? Look no further. Our store is your best option for getting the ONAN 870-2054 part. With genuine ONAN...
    $8.09
    $7.28
    Qty in Cart: 0
    Quantity:
    Price:
    $8.09
    $7.28
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  • ONAN 870-0506 - 8700506 LOCK NUT ONAN Genuine OEM Part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8700506 LOCK NUT ONAN Genuine OEM Part

    ONAN

    $8.09
    $7.28
    This is a genuine ONAN replacement lock nut, manufactured to meet Cummins/Onan exacting standards for quality and durability. Designed to securely fasten components within your generator system,...
    $8.09
    $7.28
    Qty in Cart: 0
    Quantity:
    Price:
    $8.09
    $7.28
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  • ONAN 870-0235 - 8700235 SELF LOCK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8700235 SELF LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $7.30
    $6.57
    ONAN SELF LOCK NUT - /CUMMINS 870-0235 Looking to get the original SELF LOCK NUT - /CUMMINS for your outdoor equipment? Look no further! Our store is your best option for finding the genuine ONAN...
    $7.30
    $6.57
    Qty in Cart: 0
    Quantity:
    Price:
    $7.30
    $6.57
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  • ONAN 870-0212 - 8700212 1/4 20 LOOK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8700212 1/4 20 LOOK NUT ONAN/CUMMINS OEM part

    ONAN

    $7.54
    $6.78
    ONAN 1/4- 20 LOOK NUT - /CUMMINS 870-0212 When looking for original 1/4- 20 LOOK NUT - /CUMMINS, our store is the best option. We offer the ONAN 870-0212 at the best price and guarantee fast...
    $7.54
    $6.78
    Qty in Cart: 0
    Quantity:
    Price:
    $7.54
    $6.78
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  • ONAN 518-0313 - 5180313 NUT LOCK COMPOUND ONAN/CUMMINS OEM part PACK OF 10 - ONAN/CUMMINS OEM part - Image 1

    ONAN 5180313 NUT LOCK COMPOUND ONAN/CUMMINS OEM part PACK OF 10

    ONAN

    $73.62
    $66.25
    ONAN NUT LOCK COMPOUND - /CUMMINS 518-0313 Looking for the original NUT LOCK COMPOUND - /CUMMINS? Look no further. Our store offers the genuine ONAN 518-0313 - NUT LOCK COMPOUND at the best price...
    $73.62
    $66.25
    Qty in Cart: 0
    Quantity:
    Price:
    $73.62
    $66.25
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  • ONAN 870-2310 - 8702310 NYLON INSERT M2 LOCK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8702310 NYLON INSERT M2 LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $9.76
    $8.78
    ONAN NYLON INSERT M2 LOCK NUT - /CUMMINS 870-2310 At our store, you can find the original NYLON INSERT M2 LOCK NUT - /CUMMINS, ensuring the highest quality for your equipment. Don't miss the...
    $9.76
    $8.78
    Qty in Cart: 0
    Quantity:
    Price:
    $9.76
    $8.78
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  • ONAN 870-0513-02 - 870051302 HEX FLANGE LOCK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 870051302 HEX FLANGE LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $6.88
    $6.19
    ONAN HEX FLANGE LOCK NUT - /CUMMINS 870-0513-02 Looking for a reliable source to get original HEX FLANGE LOCK NUT - /CUMMINS? Look no further! Our store offers the ONAN 870-0513-02 - HEX FLANGE LOCK...
    $6.88
    $6.19
    Qty in Cart: 0
    Quantity:
    Price:
    $6.88
    $6.19
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  • ONAN 870-2281 - 8702281 LOCK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8702281 LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $6.96
    $6.26
    ONAN LOCK NUT - /CUMMINS 870-2281 Looking to replace LOCK NUT - /CUMMINS for your equipment? Look no further than our online store. We offer the original ONAN 870-2281 LOCK NUT at the best price...
    $6.96
    $6.26
    Qty in Cart: 0
    Quantity:
    Price:
    $6.96
    $6.26
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  • ONAN 870-2203 - 8702203 HEX FLANGE LOCK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8702203 HEX FLANGE LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $7.44
    $6.69
    ONAN HEX FLANGE LOCK NUT - /CUMMINS 870-2203 Looking for the best place to get original HEX FLANGE LOCK NUT - /CUMMINS? Look no further! Our store offers the genuine ONAN 870-2203 - HEX FLANGE LOCK...
    $7.44
    $6.69
    Qty in Cart: 0
    Quantity:
    Price:
    $7.44
    $6.69
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  • ONAN 870-2062 - 8702062 DIN 985 M5 NYLOC NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8702062 DIN 985 M5 NYLOC NUT ONAN/CUMMINS OEM part

    ONAN

    $10.85
    $9.76
    ONAN DIN 985 M5 NYLOC NUT - /CUMMINS 870-2062 Looking for original DIN 985 M5 NYLOC NUT - /CUMMINS? Look no further! Our store offers the best price for this genuine ONAN 870-2062 part. With our...
    $10.85
    $9.76
    Qty in Cart: 0
    Quantity:
    Price:
    $10.85
    $9.76
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  • ONAN 870-0499 - 8700499 NYLON LOCK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8700499 NYLON LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $9.97
    $8.97
    ONAN NYLON LOCK NUT - /CUMMINS 870-0499 When it comes to finding the original NYLON LOCK NUT - /CUMMINS part, look no further than our store. We offer the genuine ONAN 870-0499 at the best price and...
    $9.97
    $8.97
    Qty in Cart: 0
    Quantity:
    Price:
    $9.97
    $8.97
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  • ONAN 870-0453 - 8700453 3/8 LOCK HEX NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8700453 3/8 LOCK HEX NUT ONAN/CUMMINS OEM part

    ONAN

    $8.99
    $8.09
    ONAN 3/8 LOCK HEX NUT - /CUMMINS 870-0453 Look no further for the original 3/8 LOCK HEX NUT - /CUMMINS than our store. We offer the best price and fast shipping, making us the top choice for your...
    $8.99
    $8.09
    Qty in Cart: 0
    Quantity:
    Price:
    $8.99
    $8.09
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  • ONAN 870-0437 - 8700437 NUT LOCKING HEXAGONAL ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8700437 NUT LOCKING HEXAGONAL ONAN/CUMMINS OEM part

    ONAN

    $8.15
    $7.33
    ONAN NUT LOCKING HEXAGONAL - /CUMMINS 870-0437 When it comes to finding the best original NUT LOCKING HEXAGONAL - /CUMMINS, our store is your ultimate destination. We offer the ONAN 870-0437 NUT...
    $8.15
    $7.33
    Qty in Cart: 0
    Quantity:
    Price:
    $8.15
    $7.33
    Subtotal:
  • ONAN 870-0352 - 8700352 CROWN LOCK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8700352 CROWN LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $7.07
    $6.36
    ONAN CROWN LOCK NUT - /CUMMINS 870-0352 Looking for the best source to get your hands on the original CROWN LOCK NUT - /CUMMINS? Look no further! Our store offers the genuine ONAN 870-0352 CROWN...
    $7.07
    $6.36
    Qty in Cart: 0
    Quantity:
    Price:
    $7.07
    $6.36
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  • ONAN 870-0257 - 8700257 SELF LOOK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8700257 SELF LOOK NUT ONAN/CUMMINS OEM part

    ONAN

    $12.84
    $11.55
    ONAN SELF LOOK NUT - /CUMMINS 870-0257 Looking for the best place to find original SELF LOOK NUT - /CUMMINS? Look no further! Our store offers the ONAN 870-0257 SELF LOOK NUT - /CUMMINS, the...
    $12.84
    $11.55
    Qty in Cart: 0
    Quantity:
    Price:
    $12.84
    $11.55
    Subtotal:
  • ONAN 870-0188 - 8700188 LOCK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8700188 LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $10.03
    $9.02
    ONAN LOCK NUT - /CUMMINS 870-0188 Looking for the best place to get original ONAN 870-0188 - LOCK NUT - /CUMMINS washers for your outdoor equipment? Look no further! Our store offers the genuine...
    $10.03
    $9.02
    Qty in Cart: 0
    Quantity:
    Price:
    $10.03
    $9.02
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  • ONAN 870-0137 - 8700137 FLEX LOCK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8700137 FLEX LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $7.10
    $6.39
    ONAN FLEX LOCK NUT - /CUMMINS 870-0137 Looking for the original FLEX LOCK NUT - /CUMMINS? Look no further! Our store offers the genuine ONAN 870-0137 FLEX LOCK NUT at the best price in the market...
    $7.10
    $6.39
    Qty in Cart: 0
    Quantity:
    Price:
    $7.10
    $6.39
    Subtotal:
  • ONAN 8700130 LOCK NUT ONAN/CUMMINS OEM part

    ONAN 8700130 LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $7.60
    $6.84
    ONAN LOCK NUT - /CUMMINS 870-0130 For the best quality and original LOCK NUT - /CUMMINS, look no further than our store. We offer the ONAN 870-0130 LOCK NUT at the best price, along with fast...
    $7.60
    $6.84
    Qty in Cart: 0
    Quantity:
    Price:
    $7.60
    $6.84
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  • ONAN 331-0555 - 3310555 CONNECTOR LOCK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 3310555 CONNECTOR LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $9.97
    $8.97
    ONAN CONNECTOR LOCK NUT - /CUMMINS 331-0555 Our online store offers the best option for getting the original CONNECTOR LOCK NUT - /CUMMINS. With a commitment to providing quality products, we ensure...
    $9.97
    $8.97
    Qty in Cart: 0
    Quantity:
    Price:
    $9.97
    $8.97
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  • ONAN A034N956 - LOCK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN A034N956 LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $6.94
    $6.24
    ONAN LOCK NUT - /CUMMINS A034N956 Looking for the best place to get the original LOCK NUT - /CUMMINS? Look no further! Our online store offers the genuine ONAN A034N956 LOCK NUT at the best price...
    $6.94
    $6.24
    Qty in Cart: 0
    Quantity:
    Price:
    $6.94
    $6.24
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  • ONAN A028X680 - LOCK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN A028X680 LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $7.37
    $6.63
    ONAN LOCK NUT - /CUMMINS A028X680 When it comes to finding the original LOCK NUT - /CUMMINS A028X680, look no further than our online store. We offer the best price for this ONAN OEM part, ensuring...
    $7.37
    $6.63
    Qty in Cart: 0
    Quantity:
    Price:
    $7.37
    $6.63
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  • ONAN 870-2311 - 8702311 COMBY LOCK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 8702311 COMBY LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $8.85
    $7.96
    ONAN COMBY LOCK NUT - /CUMMINS 870-2311 Looking for the best place to buy an original COMBY LOCK NUT - /CUMMINS? Look no further! Our store offers the genuine ONAN 870-2311 at the best price,...
    $8.85
    $7.96
    Qty in Cart: 0
    Quantity:
    Price:
    $8.85
    $7.96
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  • ONAN 870-2248-07 - 870224807 LOCK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 870224807 LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $5.79
    $5.21
    ONAN LOCK NUT - /CUMMINS 870-2248-07 For all your outdoor equipment needs, our store is the ultimate destination to find original replacement parts like the LOCK NUT - /CUMMINS. With competitive...
    $5.79
    $5.21
    Qty in Cart: 0
    Quantity:
    Price:
    $5.79
    $5.21
    Subtotal:
  • ONAN 870-2248-05 - 870224805 LOCK NUT ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 870224805 LOCK NUT ONAN/CUMMINS OEM part

    ONAN

    $0.87
    $0.78
    ONAN LOCK NUT - /CUMMINS 870-2248-05 When it comes to finding the best quality LOCK NUT - /CUMMINS, our online store is your ultimate destination. We pride ourselves on offering original ONAN...
    $0.87
    $0.78
    Qty in Cart: 0
    Quantity:
    Price:
    $0.87
    $0.78
    Subtotal:
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