SKU: 52409167435

King Engine Bearings Main Bearing Set for 2003-2005 Honda Civic (MB5427SI)

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Description

King Engine Bearings Main Bearing Set for 2003-2005 Honda Civic (MB5427SI)Carrying on a tradition of durability and dependability, KING Bi Metal (aluminum) engine bearings feature 100% lead free aluminum silicon. King has 4 different variations of their aluminum based bearings: (AM Series) K 783 Standard aluminum based material, equivalent to SAE 783, used for low and medium load engines. King AM Series main and rod bearings are recommended for street or marine applications. They have superior embeddability, which provides

Carrying on a tradition of durability and dependability, KING Bi-Metal (aluminum) engine bearings feature 100% lead-free aluminum silicon.

King has 4 different variations of their aluminum based bearings:

(AM-Series) K-783 -Standard aluminum based material, equivalent to SAE-783, used for low and medium load engines.

King AM-Series main and rod bearings are recommended for street or marine applications. They have superior embeddability, which provides greater macro-particle and reduces scratching of the crank journals and tearing or weakening of the Babbitt overlays. The direct replacements feature tolerance control up to +/- .0001—and they're lead-free, making them environmentally friendly and user-safe. Order the King AM-Series rod bearings in the application designed for proper fitment with your vehicle.

(SI-Series) K-788 -Aluminum based material, strengthen by 2.5-3% silicon, for medium load engines or nodular cast iron crankshafts.

King SI-Series main and rod bearings are recommended for OE applications. These replacement bearings are designed for aftermarket gasoline or diesel engine rebuilding—and performance engines with factory crankshafts. The bearings have an improved crankshaft finish for reducing microscopic ferrite peaks on improperly ground or polished nodular cast iron crankshafts. King SI-Series main and rod bearings feature improved oil clearance to reduce wear and increase engine life, which in turn reduces operating noise, vibration, and excess oil flow. Order the bearing set designed for fitment on your make and model.

(SM-Series) K-789 -Aluminum alloy bonding layer. The strongest aluminum based material. The alloy is strengthened by addition of Manganese and Chromium (Mn, Cr), Used for high load applications.

For high load and performance applications, King SM-Series main and rod bearings are the strongest aluminum-based material offered by King. The alloy is strengthened by the addition of manganese and chromium. SM-Series crankshaft main bearings feature a traditional steel-backing, aluminum bonding layer, and the aluminum bearing alloy. They are available for a wide variety of vehicle and engine applications.

(HP-Series) K-787 - King HP-Series rod bearings were developed mainly for drag race applications needing a material harder than the Babbitt top layer. These applications demanded a structure that could withstand high loads for short durations and still offer higher embeddability and compatibility. In response, King developed the HP-Series featuring the Alecular metal structure.

The HP-Series is also suited for many performance applications with nodular cast iron crankshafts, such as street, strip, and some levels of Circle Track racing.

HP-Series bearings are particularly suitable for the following cases:

  • When a tri-metal bearing's Babbitt overlay extrudes over the sides, migrates to one end, or is physically removed by the crankshaft
  • When the intermediate layer of a tri-metal bearing is exposed, damaging the crank journal and requiring expensive grinding or replacement
  • When contaminants enter the oil stream, scratching and damaging the crankshaft journals


Check your bearing size using our fitment calculator here
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 52409167435

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Francisco Arredondo
Port Orchard, US
★★★★★ 5
Dogs love it
Color: mouse
My dogs love it.
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Reviewed in the United States on April 2, 2026
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AuntGunka
Lowell, US
★★★★★ 4
One toy or two
Color: Raccoon
My dog loves it and it seems durable. The rope 'arms' does pull out but not a big deal. You can put it back or have 2 toys. Would definitely recommend.
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Reviewed in the United States on May 10, 2026
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Rob
Lowell, US
★★★★★ 5
A fun and engaging toy that lasts longer than typical plushies
Color: cow, Color: cow
This plush cow toy is designed to be cute, squeaky, and engaging, especially for dogs who need something durable to keep them occupied. I tested it with an energetic chewer who typically destroys plush toys within minutes. Pros: • Adorable design: The cow shape is charming and visually appealing. • Built-in squeaker: Keeps dogs entertained and encourages longer play sessions. • Soft yet reinforced: The fabric is thick, and the stitching is stronger than a standard plush toy. • Good size range: Works for small, medium, and even lightweight large dogs. • Lightweight: Easy for dogs to carry, shake, and toss around. Cons: • Not truly “aggressive chewer” proof—strong chewers will still get through it eventually. • Stuffing can come out once the seams give way, so supervision is recommended.
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Reviewed in the United States on November 28, 2025
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Juju M
Charlottesville, US
★★★★★ 1
Not worth it
Color: cow
My husky puppy ate this thing in less than an hour. The rope arms come out pretty easily. Waste of money unless you have a tiny dog that doesn't chew much. Defeats the purpose of having rope to play tug of war when it's so small and easily torn. The chewability is null with this thing.
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Reviewed in the United States on March 18, 2026
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Amazon Customer
West Palm Beach, US
★★★★★ 3
Cute
Color: cow
Cute
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Reviewed in the United States on January 10, 2026

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