2Bros Parts

CONNECTING ROD KIT MAICO 400/440/490, NAMURA RX-12003 / RO-8202 137-18-25-17-17-64 mm, MX-09071

$117.55

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Delivery to United States 5–8 business days

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Namura Technologies Connecting Rod Rebuild Kit. Heavy-duty OE replacement connecting rods for MAICO 400/440/490 models. Certified Chorme alloy steel provides superior strength. Crankpins are manufactured from hot-rolled ASTM steel and case hardened. Psychic Rods uses the latest in caged needle roller bearing designs for high rpm longevity. Thrust washers are manufactured from bronze phosphor and are silver coated. Rod assembly sold complete with rod, crankpin, crankpin bearing, top end bearing and thrust washers if needed. Fully compatible with aftermarket and OE crankshafts. Material SNCM220/420. Meets or exceeds OEM quality. Direct OEM replacement. Size: Centre to Centre 137mm, Small End Bearing 18x22x23.8mm, Small End Bore Ø 22mm, Small End Width 17mm, Big End Bearing 25x31x16.8mm, Big End Bore Ø 31mm, Big End Width 17mm, Big End Pin Ø 25mm, Big End Pin Length 64mm, Washer Thickness 25x42x1mm. Part Number: RX-12003 / RO-8202.

Specifications
SKU
56-2931
Brand
Namura Technologies
Availability
In Stock (16)

Fitments (272)

MakeModelYear
MAICO2T 4001977
MAICO2T 4001978
MAICO2T 4001979
MAICO2T 4001980
MAICO2T 4001981
MAICO2T 4001982
MAICO2T 4001983
MAICO2T 4001984
MAICO2T 4001985
MAICO2T 4001986
MAICO2T 4001987
MAICO2T 4001988
MAICO2T 4001989
MAICO2T 4001990
MAICO2T 4001991
MAICO2T 4001992
MAICO2T 4001993
MAICO2T 4901977
MAICO2T 4901978
MAICO2T 4901979
MAICO2T 4901980
MAICO2T 4901981
MAICO2T 4901982
MAICO2T 4901983
MAICO2T 4901984
MAICO2T 4901985
MAICO2T 4901986
MAICO2T 4901987
MAICO2T 4901988
MAICO2T 4901989
MAICO2T 4901990
MAICO2T 4901991
MAICO2T 4901992
MAICO2T 4901993
MAICOENDURO 4901977
MAICOENDURO 4901978
MAICOENDURO 4901979
MAICOENDURO 4901980
MAICOENDURO 4901981
MAICOENDURO 4901982
MAICOENDURO 4901983
MAICOENDURO 4901984
MAICOENDURO 4901985
MAICOENDURO 4901986
MAICOENDURO 4901987
MAICOENDURO 4901988
MAICOENDURO 4901989
MAICOENDURO 4901990
MAICOENDURO 4901991
MAICOENDURO 4901992
MAICOENDURO 4901993
MAICOGS 4001977
MAICOGS 4001978
MAICOGS 4001979
MAICOGS 4001980
MAICOGS 4001981
MAICOGS 4001982
MAICOGS 4001983
MAICOGS 4001984
MAICOGS 4001985
MAICOGS 4001986
MAICOGS 4001987
MAICOGS 4001988
MAICOGS 4001989
MAICOGS 4001990
MAICOGS 4001991
MAICOGS 4001992
MAICOGS 4001993
MAICOGS 4901977
MAICOGS 4901978
MAICOGS 4901979
MAICOGS 4901980
MAICOGS 4901981
MAICOGS 4901982
MAICOGS 4901983
MAICOGS 4901984
MAICOGS 4901985
MAICOGS 4901986
MAICOGS 4901987
MAICOGS 4901988
MAICOGS 4901989
MAICOGS 4901990
MAICOGS 4901991
MAICOGS 4901992
MAICOGS 4901993
MAICOLC 4901977
MAICOLC 4901978
MAICOLC 4901979
MAICOLC 4901980
MAICOLC 4901981
MAICOLC 4901982
MAICOLC 4901983
MAICOLC 4901984
MAICOLC 4901985
MAICOLC 4901986
MAICOLC 4901987
MAICOLC 4901988
MAICOLC 4901989
MAICOLC 4901990
MAICOLC 4901991
MAICOLC 4901992
MAICOLC 4901993
MAICOMC 4401977
MAICOMC 4401978
MAICOMC 4401979
MAICOMC 4401980
MAICOMC 4401981
MAICOMC 4401982
MAICOMC 4401983
MAICOMC 4401984
MAICOMC 4401985
MAICOMC 4401986
MAICOMC 4401987
MAICOMC 4401988
MAICOMC 4401989
MAICOMC 4401990
MAICOMC 4401991
MAICOMC 4401992
MAICOMC 4401993
MAICOMC 4901977
MAICOMC 4901978
MAICOMC 4901979
MAICOMC 4901980
MAICOMC 4901981
MAICOMC 4901982
MAICOMC 4901983
MAICOMC 4901984
MAICOMC 4901985
MAICOMC 4901986
MAICOMC 4901987
MAICOMC 4901988
MAICOMC 4901989
MAICOMC 4901990
MAICOMC 4901991
MAICOMC 4901992
MAICOMC 4901993
MAICOMD 4401977
MAICOMD 4401978
MAICOMD 4401979
MAICOMD 4401980
MAICOMD 4401981
MAICOMD 4401982
MAICOMD 4401983
MAICOMD 4401984
MAICOMD 4401985
MAICOMD 4401986
MAICOMD 4401987
MAICOMD 4401988
MAICOMD 4401989
MAICOMD 4401990
MAICOMD 4401991
MAICOMD 4401992
MAICOMD 4401993
MAICOMX 4001977
MAICOMX 4001978
MAICOMX 4001979
MAICOMX 4001980
MAICOMX 4001981
MAICOMX 4001982
MAICOMX 4001983
MAICOMX 4001984
MAICOMX 4001985
MAICOMX 4001986
MAICOMX 4001987
MAICOMX 4001988
MAICOMX 4001989
MAICOMX 4001990
MAICOMX 4001991
MAICOMX 4001992
MAICOMX 4001993
MAICOMX 4401977
MAICOMX 4401978
MAICOMX 4401979
MAICOMX 4401980
MAICOMX 4401981
MAICOMX 4401982
MAICOMX 4401983
MAICOMX 4401984
MAICOMX 4401985
MAICOMX 4401986
MAICOMX 4401987
MAICOMX 4401988
MAICOMX 4401989
MAICOMX 4401990
MAICOMX 4401991
MAICOMX 4401992
MAICOMX 4401993
MAICOMX 4901977
MAICOMX 4901978
MAICOMX 4901979
MAICOMX 4901980
MAICOMX 4901981
MAICOMX 4901982
MAICOMX 4901983
MAICOMX 4901984
MAICOMX 4901985
MAICOMX 4901986
MAICOMX 4901987
MAICOMX 4901988
MAICOMX 4901989
MAICOMX 4901990
MAICOMX 4901991
MAICOMX 4901992
MAICOMX 4901993
MAICORADIALE 4001977
MAICORADIALE 4001978
MAICORADIALE 4001979
MAICORADIALE 4001980
MAICORADIALE 4001981
MAICORADIALE 4001982
MAICORADIALE 4001983
MAICORADIALE 4001984
MAICORADIALE 4001985
MAICORADIALE 4001986
MAICORADIALE 4001987
MAICORADIALE 4001988
MAICORADIALE 4001989
MAICORADIALE 4001990
MAICORADIALE 4001991
MAICORADIALE 4001992
MAICORADIALE 4001993
MAICOWR ENDURO 4001977
MAICOWR ENDURO 4001978
MAICOWR ENDURO 4001979
MAICOWR ENDURO 4001980
MAICOWR ENDURO 4001981
MAICOWR ENDURO 4001982
MAICOWR ENDURO 4001983
MAICOWR ENDURO 4001984
MAICOWR ENDURO 4001985
MAICOWR ENDURO 4001986
MAICOWR ENDURO 4001987
MAICOWR ENDURO 4001988
MAICOWR ENDURO 4001989
MAICOWR ENDURO 4001990
MAICOWR ENDURO 4001991
MAICOWR ENDURO 4001992
MAICOWR ENDURO 4001993
MAICOWR ENDURO 4401977
MAICOWR ENDURO 4401978
MAICOWR ENDURO 4401979
MAICOWR ENDURO 4401980
MAICOWR ENDURO 4401981
MAICOWR ENDURO 4401982
MAICOWR ENDURO 4401983
MAICOWR ENDURO 4401984
MAICOWR ENDURO 4401985
MAICOWR ENDURO 4401986
MAICOWR ENDURO 4401987
MAICOWR ENDURO 4401988
MAICOWR ENDURO 4401989
MAICOWR ENDURO 4401990
MAICOWR ENDURO 4401991
MAICOWR ENDURO 4401992
MAICOWR ENDURO 4401993
MAICOWR ENDURO 4901977
MAICOWR ENDURO 4901978
MAICOWR ENDURO 4901979
MAICOWR ENDURO 4901980
MAICOWR ENDURO 4901981
MAICOWR ENDURO 4901982
MAICOWR ENDURO 4901983
MAICOWR ENDURO 4901984
MAICOWR ENDURO 4901985
MAICOWR ENDURO 4901986
MAICOWR ENDURO 4901987
MAICOWR ENDURO 4901988
MAICOWR ENDURO 4901989
MAICOWR ENDURO 4901990
MAICOWR ENDURO 4901991
MAICOWR ENDURO 4901992
MAICOWR ENDURO 4901993
General Product Group
Crankshafts & Parts
General Product Type
Connecting Rod
Variant Id
250532
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Namura Connecting Rod Rebuild Kit for Maico 400/440/490

Upgrade your Maico's engine with this heavy-duty connecting rod rebuild kit from Namura. Engineered as a direct OE replacement, this kit meets or exceeds OEM quality standards for reliable performance.

Key Features:

  • Superior Strength: Constructed with certified Chrome Alloy Steel for exceptional durability.
  • High-Performance Crankpins: Manufactured from hot-rolled ASTM steel and case hardened for longevity.
  • Advanced Bearing Design: Features caged needle roller bearings for high RPM longevity.
  • Durable Thrust Washers: Made from bronze phosphor with a silver coating.
  • Complete Kit: Includes the rod, crankpin, crankpin bearing, top end bearing, and thrust washers (if applicable).
  • OE Compatibility: Fully compatible with aftermarket and original equipment crankshafts.
  • Material: SNCM220/420.

Dimensions:

  • Centre to Centre: 137 mm
  • Small End Bearing (OD x ID x Width): 18 x 22 x 23.8 mm
  • Small End Bore Diameter: 22 mm
  • Small End Width: 17 mm
  • Big End Bearing (OD x ID x Width): 25 x 31 x 16.8 mm
  • Big End Bore Diameter: 31 mm
  • Big End Width: 17 mm
  • Big End Pin Diameter: 25 mm
  • Big End Pin Length: 64 mm
  • Washer Thickness: 25 x 42 x 1 mm
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

Call us+44 330 133 3748
Email us[email protected]

Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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