2009/08/24 Caterpillar

New Fuel Injection Lines {1251, 1252}

Usage:

C6.6 666

Industrial Engine: C6.6 (S/N: 6661-268,277-307,309-350,354-363,372-374,377-378,382-410,412-413,415-429,524-540,542-545,547-554,556-564,566-594,596-601,603-618,620-649,651-677,679-695,697-722,724-764,766-777,779-819,822-834,836-868,870-926,928-966,968-987,989-991,993-997,999-1019,1021-1107,1109-1117,1119-1135,1137-1151,1153-1195,1197-1242,1244-1288,1290-1295,1297-1341,1343-1365,1367-1379,1381-1388,1390-1390,1394-1405,1408-1408,1410-1412,1416-1434,1436-1436,1438-1439,1441-1442,1444-1445,1447-1469,1471-1471,1473-1488,1490-1566,1568-1598,1601-1620,1622-1745,1747-1750,1752-1758,1760-1890,1892-1965,1967-1969,1971-1971,1973-1977,1979-1979,1981-1981,1983-2000,2005-2010,2012-2096,2098-2109,2112-2134,2137-2137,2139-2195,2198-2346,2348-2372,2374-2413,2415-2438,2442-2442,2446-2483,2485-2488,2490-2499,2501-2544,2567-2627,2629-2639,2642-2675,2679-2689,2694-2703,2705-2715,2718-2723,2725-2730,2732-2742,2744-2747,2750-2815,2826-2827,2829-2834,2836-2847,2849-2896,2898-2898,2900-2935,2937-2959,2961-2983,2985-3058,3060-3078,3080-3086,3088-3088,3091-3109,3111-3274,3276-3303,3305-3367,3369-3462,3465-3465,3467-3467,3469-3813,3817-3821,3823-3867,3871-3881,3883-3921,3923-4066,4068-4173,4175-4225,4227-4341,4343-4519,4521-4675,4677-4865,4867-4996,5000-5042,5044-5050,5056-5087,5091-5096,5098-5289,5293-5334,5336-5341,5343-5356,5358-5504,5506-5726,5728-5733,5735-5772,5774-5788,5790-6076,6078-6320,6322-6328,6330-6404,6406-6522,6524-6546,6548-6616,6619-6635,6637-6647,6649-7010,7012-7013,7015-7045,7047-7084,7086-7215,7217-7340,7342-7354,7356-7370,7372-7435,7437-7455,7457-7506,7508-7649,7651-7653,7655-7660,7662-7664,7666-7669,7672-7877,7879-7885,7895-7916,7919-7920,7922-7925,7927-7927,7929-8028,8031-8031,8033-8073,8075-8075,8077-8078,8080-8087,8098-8146,8148-8189,8191-8249,8250-8252,8256-8268,8270-8299,8301-8353,8355-8413,8415-8544,8546-8595,8597-8714,8716-8718,8720-8821,8823-8863,8866-8894,8896-8968,8970-8977,8979-9004,9006-9040,9042-9062,9064-9088,9090-9101,9103-9131,9135-9138,9140-9155,9157-9165,9167-9180,9183-9245,9247-9250,9258-9258,9261-9262,9265-9274,9277-9282,9291-9291,9295-9296,9298-9298,9300-9300,9303-9311,9313-9318,9321-9344,9346-9372,9374-9381,9386-9390,9730-9730)
Generator Set: C6.6 (S/N: SDA1-114,117-119,121-134,139-159,161-162,165-253,262-294,296-332,341-380,384-387,393-396,400-402,407-423,426-435,465-549,564-566,570-571,582-593,595-601,608-609; N6D1-106,108-126,128-157,159-160,162-231,233-234,236-302,304-395,397-655,657-700,801-817,819-874,877-882,884-890,892-897,903-915,917-921,923-932,934-936)

Description of Change: New fuel injection lines have been introduced. The new fuel injection lines have an improved design in order to improve the seal between the fuel injection line and the electronic unit injector.

Adaptable To: For details of the change in part numbers, refer to table 1.

Show/hide table

Table 1
Existing Part Number	New Part Number
290-3911	336-8174
290-3912	336-8175
290-3913	336-8176
290-3914	336-8177
290-3915	336-8178
290-3916	336-8179

For the correct procedure to remove the fuel injection lines, refer to Disassembly and Assembly, "Fuel Injection Lines - Remove". For the correct procedure to install the fuel injection lines, refer to Disassembly and Assembly, "Fuel Injection Lines - Install".