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Kohler Toilet Tank Reference Guide

Kohler Toilets and Tank Parts Specifications

Every Kohler toilet has a unique number marked under the lid or inside the tank. These numbers begin with "K-" and are stamped directly into the porcelain. In some cases there is a product sheet taped under the lid from the factory.

To use the listing below, please have your Kohler toilet's "K-" number ready.

  • Kohler GP1138930 Genuine 400 Series Fill Valve Service Kit

    sku: KOH-GP1138930

    Kohler GP1138930 Fill Valve Service Kit for Rosario (K-3434) One-Piece Toilet

    MSRP: $23.28
    OUR PRICE: $16.29
    Add to Cart The item has been added
  • Image coming soon

    sku: ARW-PK1270

    Arrowhead Brass PK1270 Green T-Handle (Aluminum, 12-pt) & Self-Tapping Stainless Steel Screw

    MSRP: $7.83
    OUR PRICE: $6.27
    Add to Cart The item has been added
  • Kohler 1158701-CP - Polished Chrome Trip Lever Service Kit

    sku: KOH-1158701-CP

    Kohler 1158701-CP CP Trip Lever Service Kit

    MSRP: $17.93
    OUR PRICE: $12.55
    Add to Cart The item has been added
  • Kohler 1160316-CP - Polished Chrome Trip Lever Service Kit

    sku: KOH-1160316-CP

    Kohler 1160316-CP CP Trip Lever Service Kit

    OUR PRICE: $46.99
    Add to Cart The item has been added
  • Kohler 1067577-CP Trip Lever

    sku: KOH-1067577-CP

    Kohler 1067577-CP CP Trip Lever

    MSRP: $26.47
    OUR PRICE: $18.53
    Add to Cart The item has been added
  • Kohler 1112258 - Tank Plate

    sku: KOH-1112258

    Kohler 1112258 Tank Plate

    MSRP: $11.62
    OUR PRICE: $8.13
    Add to Cart The item has been added
  • Kohler - GP84995 - Genuine Kohler OEM Replacement Flush Ball

    sku: KOH-GP84995

    Kohler GP84995 Flapper for Rosario (K-3434) One-Piece Toilet

    MSRP: $9.98
    OUR PRICE: $6.98
    Add to Cart The item has been added
  • Kohler 1075394-CP - Trip Lever Assembly for Kelston and Class Five series toilets.

    sku: KOH-1075394-CP

    Kohler 1075394-CP CP Trip Lever

    MSRP: $31.46
    OUR PRICE: $22.02
    Add to Cart The item has been added
  • Kohler GP30324 - Trip Lever for Wellworth Toilets

    sku: KOH-GP30324-CP

    Kohler GP30324-CP LH CP Trip Lever

    MSRP: $12.35
    OUR PRICE: $8.64
    Add to Cart The item has been added
  • Kohler - 83664 - Flush Valve

    sku: KOH-83664

    Kohler 83664 Flush Valve for Rosario (K-3434) One-Piece Toilet

    MSRP: $40.70
    OUR PRICE: $28.49
    Add to Cart The item has been added
  • Kohler 1097686 - Flat Seal

    sku: KOH-1097686

    Kohler 1097686 Flat Seal

    MSRP: $3.62
    OUR PRICE: $2.53
    Add to Cart The item has been added
  • Image coming soon

    sku: KOH-1014065

    Kohler 1014065 Tank Plate Only

    MSRP: $27.28
    OUR PRICE: $19.10
    Add to Cart The item has been added
  • Kohler 1070282 - Flush Valve Service Kit for Two Piece Toilets

    sku: KOH-1070282

    Kohler 1070282 Canister Flush Vlv Service Kit

    MSRP: $38.75
    OUR PRICE: $27.13
    Add to Cart The item has been added
  • Kohler 42398 - Washer

    sku: KOH-42398

    Kohler 42398 Washer for Rosario (K-3434) One-Piece Toilet

    MSRP: $2.17
    OUR PRICE: $1.52
    Add to Cart The item has been added
  • Kohler GP83064 - Red Flapper

    sku: KOH-GP83064

    Kohler GP83064 Flapper, Red for Rosario (K-3434) One-Piece Toilet

    MSRP: $11.02
    OUR PRICE: $7.72
    Add to Cart The item has been added
  • Kohler 1160316-BRZ Oil Rubbed Bronze Trip Lever

    sku: KOH-1160316-BRZ

    Kohler 1160316-BRZ Oil Rubbed Bronze Trip Lever

    OUR PRICE: $69.60
  • Kohler - 78132

    sku: KOH-78132

    Kohler 78132 Retainer Nut for Rosario (K-3434) One-Piece Toilet

    MSRP: $2.28
    OUR PRICE: $1.59
    Add to Cart The item has been added
  • Kohler 9167-L-2BZ Oil Rubbed Bronze Trip Lever

    sku: KOH-9167-L-2BZ

    Kohler 9167-L-2BZ Oil Rubbed Bronze Trip Lever

    OUR PRICE: $91.18
  • Kohler - 83650 Flush Valve

    sku: KOH-83650

    Kohler 83650 Flush Valve

    MSRP: $70.35
    OUR PRICE: $49.24
    Add to Cart The item has been added
  • kohler - 84676

    sku: KOH-84676

    Kohler 84676 Flush Valve Gasket for Rosario (K-3434) One-Piece Toilet

    MSRP: $5.01
    OUR PRICE: $3.50
    Add to Cart The item has been added
  • Kohler GP1018165-F - Tank Gasket

    sku: KOH-GP1018165-F

    Kohler GP1018165-F Tank Gasket

    MSRP: $9.52
    OUR PRICE: $6.66
    Add to Cart The item has been added
  • Kohler 83143 - Seal Diaph

    sku: KOH-83143

    Kohler 83143 Seal Diaphram for Rosario (K-3434) One-Piece Toilet

    MSRP: $5.73
    OUR PRICE: $4.01
    Add to Cart The item has been added
  • Kohler® - 84999 Anchor Kit

    sku: KOH-84999

    Kohler 84999 Anchor Kit for Rosario (K-3434) One-Piece Toilet

    MSRP: $47.43
    OUR PRICE: $33.20
    Add to Cart The item has been added
  • Kohler 83451 - Cap

    sku: KOH-83451

    Kohler 83451 Cap for Rosario (K-3434) One-Piece Toilet

    MSRP: $11.62
    OUR PRICE: $8.13
    Add to Cart The item has been added
  • Kohler 1067577-2BZ - New Oil Rub Bronze Trip Lever

    sku: KOH-1067577-2BZ

    Kohler 1067577-2BZ New Oil Rub Bronze Trip Lever

    OUR PRICE: $57.70
    Add to Cart The item has been added
  • Kohler 1042212-SN - Polished Nickel Trip Lever

    sku: KOH-1042212-SN

    Kohler 1042212-SN Polish Nickle Trip Lever

    OUR PRICE: $36.90
  • Kohler 42397 - Nut

    sku: KOH-42397

    Kohler 42397 Supply Nut for Rosario (K-3434) One-Piece Toilet

    MSRP: $2.73
    OUR PRICE: $1.91
    Add to Cart The item has been added
  • Kohler 78423-BN - Brushed Nickel Trip Lever

    sku: KOH-78423-BN

    Kohler 78423-BN Trip Lever, Brushed Nickel for Rosario (K-3434) One-Piece Toilet

    MSRP: $158.66
    OUR PRICE: $111.06
    Add to Cart The item has been added
  • Kohler - 1006958 - Genuine Kohler OEM Replacement Flush Ball

    sku: KOH-1006958

    Kohler - 1006958

    OUR PRICE: $9.99
  • Kohler 1016219 - Flat Seal

    sku: KOH-1016219

    Kohler - 1016219

    OUR PRICE: $2.00
  • Kohler 1039862 - Fill Valve Kit

    sku: KOH-1039862

    Kohler - 1039862

    OUR PRICE: $19.90
  • Kohler 1085760 - Canister Flush Valve Assembly

    sku: KOH-1085760

    Kohler - 1085760

    OUR PRICE: $19.70
  • Kohler 1096382 - Fill Valve

    sku: KOH-1096382

    Kohler - 1096382

    OUR PRICE: $17.30
  • Kohler 1096383 - Fill Valve Kit

    sku: KOH-1096383

    Kohler - 1096383

    OUR PRICE: $17.30
  • Kohler 1113628 - Flush Valve Kit

    sku: KOH-1113628

    Kohler - 1113628

    OUR PRICE: $14.70
  • Kohler 1113629 - Flush Valve Kit

    sku: KOH-1113629

    Kohler - 1113629

    OUR PRICE: $15.60
  • Kohler 1157995 - Flush Valve

    sku: KOH-1157995

    Kohler - 1157995

    OUR PRICE: $15.70
  • Kohler 42377 - Body

    sku: KOH-42377

    Kohler - 42377

    OUR PRICE: $8.24
  • Kohler 52065 - Hardware

    sku: KOH-52065

    Kohler - 52065 Bolt Hardware for Rosario (K-3434) One-Piece Toilet

    OUR PRICE: $12.25
  • Kohler 53154 - Washer

    sku: KOH-53154

    Kohler - 53154

    OUR PRICE: $2.80
  • Image coming soon

    sku: KOH-1024390

    Kohler 1024390 Accessory Pack

    MSRP: $3.50
    OUR PRICE: $2.45
    Add to Cart The item has been added
  • Kohler 1042212-VF - Polished Brass Trip Lever

    sku: KOH-1042212-VF

    Kohler 1042212-VF Vibrant Trip Lever

    MSRP: $60.31
    OUR PRICE: $42.22
    Add to Cart The item has been added
  • Kohler 1057940 - Service Cap Assembly

    sku: KOH-1057940

    Kohler 1057940 Service Cap Assy

    MSRP: $7.01
    OUR PRICE: $4.90
    Add to Cart The item has been added
  • Kohler 1112256 Tank To Bowl Gasket

    sku: KOH-1112256

    Kohler 1112256 Tank Gasket

    OUR PRICE: $6.90
  • Kohler 51387 - Washer

    sku: KOH-51387

    Kohler 51387 Washer for Rosario (K-3434) One-Piece Toilet

    MSRP: $2.30
    OUR PRICE: $1.61
    Add to Cart The item has been added
  • Kohler 51388 - Nut

    sku: KOH-51388

    Kohler 51388 Nut for Rosario (K-3434) One-Piece Toilet

    MSRP: $13.86
    OUR PRICE: $9.70
    Add to Cart The item has been added
  • Kohler 77778-CP - Polished Chrome Flange

    sku: KOH-77778-CP

    Kohler 77778-CP Flange, Chrome for Rosario (K-3434) One-Piece Toilet

    MSRP: $11.17
    OUR PRICE: $7.82
    Add to Cart The item has been added
  • Kohler 77778-VF - Polished Brass Flange

    sku: KOH-77778-VF

    Kohler 77778-VF Flange, Vibrant for Rosario (K-3434) One-Piece Toilet

    MSRP: $34.93
    OUR PRICE: $24.45
    Add to Cart The item has been added
  • Kohler 78423-0 - White Trip Lever

    sku: KOH-78423-0

    Kohler 78423-0 Trip Lever, White for Rosario (K-3434) One-Piece Toilet

    OUR PRICE: $148.00
    Add to Cart The item has been added
  • Kohler 78423-AF - French Gold Trip Lever

    sku: KOH-78423-AF

    Kohler 78423-AF Trip Lever, French Gold for Rosario (K-3434) One-Piece Toilet

    OUR PRICE: $71.10
    Add to Cart The item has been added
  • Kohler 85086-CP - Trip Lever Assembly

    sku: KOH-85086-CP

    Kohler 85086-CP CP Trip Lever Assy

    OUR PRICE: $33.80
  • Kohler® - 85307

    sku: KOH-85307

    Kohler 85307 Shank Washer for Rosario (K-3434) One-Piece Toilet

    MSRP: $2.42
    OUR PRICE: $1.69
    Add to Cart The item has been added
  • Kohler GP89825 - Flapper for Portrait® 3357 One-Piece Toilet

    sku: KOH-GP89825

    Kohler GP89825 Flapper

    MSRP: $17.93
    OUR PRICE: $12.55
    Add to Cart The item has been added
  • Kohler - 1060196 - Fill Valve

    sku: KOH-1060196

    Kohler® - 1060196

    OUR PRICE: $18.90
  • Kohler - 1079948 - Genuine Kohler OEM Replacement Flush Ball

    sku: KOH-1079948

    Kohler® - GP1079948 - Toilet Flapper

    OUR PRICE: $8.80
  • Kohler - 83064 - Genuine Kohler OEM Replacement Flush Ball

    sku: KOH-83064

    Kohler® - GP83064

    OUR PRICE: $8.20
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