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Marvin 10899098 / 10500662 Ultimate & Integrity Casement Operator & Multi-Point Lock Gear Assembly Engineering Diagram
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SPECFOUNDRY SKU: SF-WIN-108 · BRAND REF: Marvin Windows & Doors

Marvin 10899098 / 10500662 Ultimate & Integrity Casement Operator & Multi-Point Lock Gear Assembly

Stamped Casting / OEM Numbers: 10899098 10500662 10899099 MRV-TT-GB 45181 11860220

Compatible Units: Marvin Ultimate Casement, Marvin Integrity Wood-Ultrex, and Legacy Tilt-Turn Windows (1998–2020)

Critical Dimensions & Spec: Direct-fit Marvin factory footprint; hardened steel drive gear; corrosion-resistant E-Gard dichromate finish

$114.99
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Pre-Order Dimensional Verification Checklist

OEM Cross-Reference & Stamped Casting Number Table

Use this cross-reference table to confirm that the number stamped or printed on your original hardware or circuit board corresponds to SpecFoundry SKU SF-WIN-108:

Stamped / OEM Part Number Manufacturer / System Brand Compatible Models & Years SpecFoundry Replacement SKU
10899098Marvin Windows & DoorsMarvin Ultimate Casement, Marvin Integrity Wood-Ultrex, and Legacy Tilt-Turn Windows (1998–2020)Direct Match (SF-WIN-108)
10500662Marvin Windows & DoorsMarvin Ultimate Casement, Marvin Integrity Wood-Ultrex, and Legacy Tilt-Turn Windows (1998–2020)Direct Match (SF-WIN-108)
10899099Marvin Windows & DoorsMarvin Ultimate Casement, Marvin Integrity Wood-Ultrex, and Legacy Tilt-Turn Windows (1998–2020)Direct Match (SF-WIN-108)
MRV-TT-GBMarvin Windows & DoorsMarvin Ultimate Casement, Marvin Integrity Wood-Ultrex, and Legacy Tilt-Turn Windows (1998–2020)Direct Match (SF-WIN-108)
45181Marvin Windows & DoorsMarvin Ultimate Casement, Marvin Integrity Wood-Ultrex, and Legacy Tilt-Turn Windows (1998–2020)Direct Match (SF-WIN-108)
11860220Marvin Windows & DoorsMarvin Ultimate Casement, Marvin Integrity Wood-Ultrex, and Legacy Tilt-Turn Windows (1998–2020)Direct Match (SF-WIN-108)

Common Failure Symptoms Solved by SF-WIN-108

Technicians and property owners typically replace 10899098 when experiencing one or more of the following failure modes:

  • Marvin casement crank clicks repeatedly without moving window sash
  • Sequential multi-point lock bar jams in locked position
  • Handle hub sheared off Marvin gearbox spindle

Step-by-Step Dimensional Verification & Installation Notes

Match stamped code 10899098 or 10500662 on the operator baseplate/gearbox housing. Remove wood trim cover, unbolt factory screws, align drive teeth in neutral position, and reinstall.

Related Technical Guide: Truth Hardware Casement Window Operator Stamped Casting Number Identification Guide →

Frequently Asked Technical Questions (10899098)

Where is the casting or OEM part number (10899098 / 10500662 / 10899099) stamped on this part?

On Marvin Windows & Doors assemblies, look for the stamped or die-cast numbers (10899098, 10500662, 10899099, MRV-TT-GB, 45181, 11860220) on the underside of the metal housing, along the link arm, on the stainless hinge track, or printed on the circuit board/valve label. Note that casting numbers identify the housing casting, so always confirm critical dimensions (Direct-fit Marvin factory footprint; hardened steel drive gear; corrosion-resistant E-Gard dichromate finish) as well.

Does SpecFoundry SKU SF-WIN-108 directly replace OEM part 10899098 (10899098, 10500662, 10899099, MRV-TT-GB, 45181, 11860220)?

Yes. SF-WIN-108 is verified to match the mounting footprint, electrical/mechanical ratings, and dimensional envelope of Marvin Windows & Doors 10899098, 10500662, 10899099, MRV-TT-GB, 45181, 11860220 used on Marvin Ultimate Casement, Marvin Integrity Wood-Ultrex, and Legacy Tilt-Turn Windows (1998–2020).

What measurements should I verify before ordering SF-WIN-108?

Before ordering, verify: (1) Stamped or OEM code matches one of 10899098, 10500662, 10899099, MRV-TT-GB, 45181, 11860220; (2) Dimensional spec matches: Direct-fit Marvin factory footprint; hardened steel drive gear; corrosion-resistant E-Gard dichromate finish; and (3) Application matches: Marvin Ultimate Casement, Marvin Integrity Wood-Ultrex, and Legacy Tilt-Turn Windows (1998–2020).

How fast does SF-WIN-108 ship and what payment methods are accepted?

SF-WIN-108 ships within 1–2 business days from our US warehouse network. Flat-rate US Ground shipping is $8.95, or FREE on orders of $150+. You can check out online immediately via PayPal, Venmo, Credit/Debit Card, or request an Instant Card Payment Link / Net-30 Commercial PO Invoice.

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