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BROWSE BY BRAND

Prime-Line replacement parts

Start with the maker, then match the mechanism and measurements. These 13 sourced records cover specific parts; the brand name alone does not establish compatibility.

Identify your Prime-Line part →
Illustration of straight arm, not this exact partIllustration
Candidate — verify fit

Prime-Line H 3502 steel-window operator · left

Part number H 3502

  • Shape / profileStraight arm
  • Operator handLeft
  • Steel arm length9"
  • Spindle diameter5/16"
  • Mounting hole centers3-7/8" and 4-3/4"

Confirm mounting, full dimensions and the supplier’s handedness drawing before ordering.

Check source / priceFull details

We don't sell parts. Retailer links may earn us a commission.

Sizes from the images.orgill.com source, checked 2026-10-26.

Illustration of straight arm, not this exact partIllustration
Candidate — verify fit

Prime-Line H 3505 teardrop casement operator · left

Part number H 3505

  • Shape / profileStraight arm
  • Operator handLeft
  • Handle spline5/16"
  • Finish / hardware packageBronze
  • ProfileTeardrop housing
  • Steel arm length9"

Confirm mounting, full dimensions and the supplier’s handedness drawing before ordering.

Check source / priceFull details

We don't sell parts. Retailer links may earn us a commission.

Sizes from the images.orgill.com source, checked 2026-10-26.

Illustration of straight arm, not this exact partIllustration
Candidate — verify fit

Prime-Line H 3508 teardrop casement operator · right

Part number H 3508

  • Shape / profileStraight arm
  • Operator handRight
  • Handle spline5/16"
  • Finish / hardware packageAluminum
  • ProfileTeardrop housing
  • Steel arm length9"

Confirm mounting, full dimensions and the supplier’s handedness drawing before ordering.

Check source / priceFull details

We don't sell parts. Retailer links may earn us a commission.

Sizes from the images.orgill.com source, checked 2026-10-26.

Illustration of straight arm, not this exact partIllustration
Candidate — verify fit

Prime-Line H 3511 teardrop casement operator · right

Part number H 3511

  • Shape / profileStraight arm
  • Operator handRight
  • Handle spline5/16"
  • Finish / hardware packageBronze
  • ProfileTeardrop housing
  • Steel arm length9"

Confirm mounting, full dimensions and the supplier’s handedness drawing before ordering.

Check source / priceFull details

We don't sell parts. Retailer links may earn us a commission.

Sizes from the images.orgill.com source, checked 2026-10-26.

Illustration of straight arm, not this exact partIllustration
Candidate — verify fit

Prime-Line H 3514 square casement operator · left

Part number H 3514

  • Shape / profileStraight arm
  • Operator handLeft
  • Handle spline3/8"
  • Finish / hardware packageAluminum
  • ProfileSquare housing
  • Steel arm length9"

Confirm mounting, full dimensions and the supplier’s handedness drawing before ordering.

Check source / priceFull details

We don't sell parts. Retailer links may earn us a commission.

Sizes from the images.orgill.com source, checked 2026-10-26.

Illustration of straight arm, not this exact partIllustration
Candidate — verify fit

Prime-Line H 3517 square casement operator · left

Part number H 3517

  • Shape / profileStraight arm
  • Operator handLeft
  • Handle spline3/8"
  • Finish / hardware packageBronze
  • ProfileSquare housing
  • Steel arm length9"

Confirm mounting, full dimensions and the supplier’s handedness drawing before ordering.

Check source / priceFull details

We don't sell parts. Retailer links may earn us a commission.

Sizes from the images.orgill.com source, checked 2026-10-26.

Illustration of straight arm, not this exact partIllustration
Candidate — verify fit

Prime-Line H 3520 square casement operator · right

Part number H 3520

  • Shape / profileStraight arm
  • Operator handRight
  • Handle spline3/8"
  • Finish / hardware packageAluminum
  • ProfileSquare housing
  • Steel arm length9"

Confirm mounting, full dimensions and the supplier’s handedness drawing before ordering.

Check source / priceFull details

We don't sell parts. Retailer links may earn us a commission.

Sizes from the images.orgill.com source, checked 2026-10-26.

Illustration of straight arm, not this exact partIllustration
Candidate — verify fit

Prime-Line H 3523 square casement operator · right

Part number H 3523

  • Shape / profileStraight arm
  • Operator handRight
  • Handle spline3/8"
  • Finish / hardware packageBronze
  • ProfileSquare housing
  • Steel arm length9"

Confirm mounting, full dimensions and the supplier’s handedness drawing before ordering.

Check source / priceFull details

We don't sell parts. Retailer links may earn us a commission.

Sizes from the images.orgill.com source, checked 2026-10-26.

Illustration of straight arm, not this exact partIllustration
Candidate — verify fit

Prime-Line H 3710 square casement operator · left

Part number H 3710

  • Shape / profileStraight arm
  • Operator handLeft
  • Handle spline3/8"
  • Finish / hardware packageWhite
  • ProfileSquare housing
  • Steel arm length9"

Confirm mounting, full dimensions and the supplier’s handedness drawing before ordering.

Check source / priceFull details

We don't sell parts. Retailer links may earn us a commission.

Sizes from the images.orgill.com source, checked 2026-10-26.

Illustration of straight arm, not this exact partIllustration
Candidate — verify fit

Prime-Line H 3711 square casement operator · right

Part number H 3711

  • Shape / profileStraight arm
  • Operator handRight
  • Handle spline3/8"
  • Finish / hardware packageWhite
  • ProfileSquare housing
  • Steel arm length9"

Confirm mounting, full dimensions and the supplier’s handedness drawing before ordering.

Check source / priceFull details

We don't sell parts. Retailer links may earn us a commission.

Sizes from the images.orgill.com source, checked 2026-10-26.

Illustration of straight arm, not this exact partIllustration
Candidate — verify fit

Prime-Line H 3568 wood/vinyl casement operator · left

Part number H 3568

  • Shape / profileStraight arm
  • Operator handLeft
  • Handle spline11/32"
  • Steel arm length9-1/2"

Confirm mounting, full dimensions and the supplier’s handedness drawing before ordering.

Check source / priceFull details

We don't sell parts. Retailer links may earn us a commission.

Sizes from the images.orgill.com source, checked 2026-10-26.

Illustration of straight arm, not this exact partIllustration
Candidate — verify fit

Prime-Line H 3569 wood/vinyl casement operator · right

Part number H 3569

  • Shape / profileStraight arm
  • Operator handRight
  • Handle spline11/32"
  • Steel arm length9-1/2"

Confirm mounting, full dimensions and the supplier’s handedness drawing before ordering.

Check source / priceFull details

We don't sell parts. Retailer links may earn us a commission.

Sizes from the images.orgill.com source, checked 2026-10-26.

Illustration of bottom seal, not this exact partIllustration
Candidate — verify fit

Prime-Line M 6258 Bottom seal · 3/8" glass

Part number M 6258

  • Shape / profileBottom seal
  • Glass thickness3/8"
  • Stock length36"

Confirm mounting, full dimensions and the supplier’s handedness drawing before ordering.

Check source / priceFull details

We don't sell parts. Retailer links may earn us a commission.

Sizes from the images.orgill.com source, checked 2026-10-26.