MTD CARBURETOR / REBUILD KIT IDENTIFICATION
ALL MTD BRANDS TECH BRIEF 01.08.13.01
Tech Subject: Identify Correct Huayi Or Deni Carburetor Rebuild Kits Used On MTD Branded Engines
Models Affected: All MTD Engines
Serial Number Range Affected: N/A
Tech Issues:
To correctly identify carburetors used on MTD branded engines to ensure proper rebuild kit part number is selected.
1. Carburetor Calibration Breakdown
- used to communicate which parts are needed for a specific engine
- More reliable than tracking by engine model
2. Determine Carburetor Supplier
- Supplier cast into carburetor body
- Usually found on opposite side of fuel inlet
Supplier trademarks
a. Huayi (HY) - primary supplier
b. Deni (DN) - secondary supplier for higher volume engine platforms
c. Ruixing (RX) - rarely used (older models only)
3. Determine Carburetor Calibration
- 4-6 Digit Alphanumeric Code
Minimum of 2 Locations
a. Printed within the carburetor serial code Example (right)
b. Stamped on carburetor body Locations vary (below)
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Replacement Carburetors
951-12158 : HY-170L Huayi
951-12374 / 951-14025 : HY-178L Huayi
951-12552 : HY-170LA Huayi
951-12612 : HY-161SA Huayi
951-12612A : HY-161SB Huayi
951-12702 : HY-165H Huayi
951-12702A : HY-165HA Huayi
951-12704 : HY-165J Huayi
951-12704A : HY-165JA Huayi
951-12704B : HY-165JB Huayi
951-12705 : DN-165SB Deni
951-12705 : HY-165SB Huayi
951-12705 : HY-165SB Huayi
951-12705 : DN-165SB Deni
N/A 951-12706 : DN-165S Deni
951-12706 : HY-165SA Huayi
M/A 951-12706 : DN-165S Deni
951-12707 : HY-165S Huayi
951-12783 : HY-170HA Huayi
951-12785 : HY-170HB Huayi
951-12785 : HY-170H Huayi
951-12791 : HY-178LA Huayi
951-14018 : HY-161S Huayi
N/A 951-14019 : HY-161H Huayi
N/A 951-14020 : HY-161HA Huayi
951-14020A : HY-161HB Huayi
951-14022A : HY-190S Huayi
951-14022A : HY-190SA Huayi
951-14023A : HY-183S Huayi
951-14023A : HY-183SA Huayi
951-14024A : HY-178S Huayi
951-14024A : HY-178SA Huayi
951-14026A : HY-170S Huayi
951-14026A : HY-170SA Huayi
951-14027A : DN-170SA Deni
951-14027A : HY-170SA Huayi
951-14027A : DN-170S Deni
951-14027A : DN-170SA Deni
951-14028A : HY-170J Huayi
951-14028A : HY-170JA Huayi
951-14035 : HY-190SB Huayi
951-14093 : HY-161SC Huayi
Carburetor Repair Kits
951-05034 : HY-170HE Huayi
N/A 951-12709A : HY-165HA Huayi
N/A 951-12709A : HY-165H Huayi
N/A 951-12711A : HY-165J Huayi
N/A 951-12711A : HY-165JA Huayi
951-12712 : DN-165SB Deni
951-12713 : DN-165S Deni
951-12715 : HY-165SA Huayi
951-12716 : HY-165S Huayi
N/A 951-12756 : HY-161S Huayi
N/A 951-12757A : HY-161SB Huayi
N/A 951-12757A : HY-161SA Huayi
N/A 951-12758 : HY-161H Huayi
N/A 951-12758A : HY-161HA Huayi
N/A 951-12759 : HY-161HB Huayi
951-12760A : HY-183SA Huayi
951-12760A : HY-183S Huayi
951-12761A : HY-190SA Huayi
951-12761A : HY-190S Huayi
951-12762A : HY-178S Huayi
951-12762A : HY-178LA Huayi
951-12762A : HY-178SA Huayi
N/A 951-12763 : HY-178L Huayi
N/A 951-12782 : HY-170H Huayi
951-12783 : HY-170HA Huayi
N/A 951-12784 : HY-170HB Huayi
N/A 951-12786 : HY-170L Huayi
951-12787 : HY-170LA Huayi
951-12788A : HY-170SA Huayi
951-12788A : HY-170JA Huayi
951-12788A : HY-170S Huayi
951-12788A : HY-170J Huayi
951-14033 : HY-165JB Huayi
951-14050 : HY-165SB Huayi
951-14124 : HY-161SC Huayi
N/A 951-14153 : DN-170S Deni
951-14154 : DN-170SA Deni
N/A 951-14231 : HY-190SB Huayi
Images included: Huayi Trademark - Deni Trademark - Ruixing Trademark
Huayi (Carburetor Supplier) - 165SA (Carburetor Calibration Code)
Image: First 7 Digits
Calibration Code
Carburetor Serial Code (Last 6 Digits)
Images: Throttle Plate - Fuel Inlet