Caterpillar 3412 Seals & O-Rings

Seals & O-Rings for Caterpillar 3412 engines. Every part in this collection is listed for the 3412, 3412E by its catalog application record, not by its title. Check your engine serial number or CPL against the part page before ordering.

47 part numbers. Match the part number and your engine serial number — not sure? Call or text (720) 445-6249.

Part #ReplacesDescriptionFitsPriceAvailability
321483 Caterpillar 1J2176
Caterpillar 2275538
Caterpillar 227-5538
+1 more
Caterpillar 3400 Dark Purple Buna N O-Ring, PAI (OEM 2275538), Pack of 5 CATERPILLAR UNIVERSAL COMPONENTS
CATERPILLAR 3400 SERIES
$87.90 Ships from supplier · Lead time confirmed when you order
321469 Caterpillar 3P0654
Caterpillar 2594600
Caterpillar 259-4600
Caterpillar 3412E/C32 Coated Viton O-Ring, PAI (OEM 2594600), Pack of 1 CATERPILLAR 3412E ENGINE
CATERPILLAR C32 SERIES
$6.38 Ships from supplier · Lead time confirmed when you order
321466 Caterpillar 4672620
Caterpillar 467-2620
Caterpillar 1121579
+1 more
Caterpillar 3412E/C32 HNBR O-Ring, PAI (OEM 4672620), Pack of 1 CATERPILLAR 3412E ENGINE
CATERPILLAR C32 SERIES
$10.92 Ships from supplier · Lead time confirmed when you order
321465 Caterpillar 1121580
Caterpillar 112-1580
Caterpillar 5H5672
Caterpillar 3412E/C32 HNBR O-Ring, PAI (OEM 1121580), Pack of 1 CATERPILLAR 3412E ENGINE
CATERPILLAR C32 SERIES
$3.25 Ships from supplier · Lead time confirmed when you order
321464 Caterpillar 9X7371 Cat 3412E/C32 O-Ring, PAI (OEM 9X7371) CATERPILLAR 3412E ENGINE
CATERPILLAR C32 SERIES
$3.33 Ships from supplier · Lead time confirmed when you order
321445 Caterpillar 1123258
Caterpillar 112-3258
Caterpillar 6V2859
Caterpillar O-Ring, PAI (OEM 1123258), Pack of 1 CATERPILLAR 3412E ENGINE $2.24 Ships from supplier · Lead time confirmed when you order
321359 Caterpillar 5H7153 Caterpillar O-Ring, PAI (OEM 5H7153), Pack of 6 CATERPILLAR 3400 SERIES $22.92 Ships from supplier · Lead time confirmed when you order
321313 Caterpillar 5W1849
Caterpillar 8T9527
Caterpillar 774091
+1 more
Caterpillar O-Ring, PAI (OEM 8T9527), Pack of 5 CATERPILLAR 3400 SERIES
CATERPILLAR C15 ENGINE
+2 more
$14.55 Ships from supplier · Lead time confirmed when you order
321309 Caterpillar 03-8761
Caterpillar 03-9857
Caterpillar 038761
+26 more
Caterpillar O-Ring, PAI (OEM 1H7339), Pack of 10 CATERPILLAR 3400 SERIES $44.00 Ships from supplier · Lead time confirmed when you order
321304 — Caterpillar 3400 Water Pump O-Ring Kit, PAI (OEM 2138621), Pack of 1 CATERPILLAR 3400 SERIES $23.37 Ships from supplier · Lead time confirmed when you order
321303 Caterpillar 156-5198
Caterpillar 1565198
Caterpillar O-Ring, PAI (OEM 1565198), Pack of 5 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$34.70 Ships from supplier · Lead time confirmed when you order
321302 — Caterpillar 3400 Fuel Pump O-Ring Kit, PAI (OEM 1891951), Pack of 1 CATERPILLAR 3400 SERIES $18.62 Ships from supplier · Lead time confirmed when you order
321301 Caterpillar 6V3908 Caterpillar O-Ring, PAI (OEM 6V3908), Pack of 5 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$34.00 Ships from supplier · Lead time confirmed when you order
321299 Caterpillar 5P7701 Caterpillar O-Ring, PAI (OEM 5P7701), Pack of 5 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$16.35 Ships from supplier · Lead time confirmed when you order
321298 Caterpillar 061-7540
Caterpillar 0617540
Caterpillar 61-7540
+5 more
Caterpillar O-Ring, PAI (OEM 0617540), Pack of 5 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$21.20 Ships from supplier · Lead time confirmed when you order
321294 Caterpillar 113-5304
Caterpillar 3P-0650
Caterpillar 3P0650
+1 more
Caterpillar O-Ring, PAI (OEM 3P0650), Pack of 10 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$47.40 Ships from supplier · Lead time confirmed when you order
321278 Caterpillar 109-0077
Caterpillar 1090077
Caterpillar 4F7387
Caterpillar HNBR O-Ring, PAI (OEM 1090077), Pack of 5 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$22.20 Ships from supplier · Lead time confirmed when you order
321277 Caterpillar 122-3772
Caterpillar 1223772
Caterpillar 4K6804
Caterpillar HNBR O-Ring, PAI (OEM 1223772), Pack of 5 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$31.85 Ships from supplier · Lead time confirmed when you order
321260 Caterpillar 5P5598 Caterpillar O-Ring, PAI (OEM 5P5598), Pack of 10 CATERPILLAR 3400 SERIES $35.60 Ships from supplier · Lead time confirmed when you order
321259 Caterpillar 6L5359
Caterpillar 8T8117
Caterpillar Silicone O-Ring, PAI (OEM 6L5359), Pack of 5 CATERPILLAR 3400 SERIES $38.60 Ships from supplier · Lead time confirmed when you order
321258 Caterpillar 5P5846
Cummins 3026393
Caterpillar Viton O-Ring, PAI (OEM 5P5846), Pack of 5 CATERPILLAR 3400 SERIES $52.45 Ships from supplier · Lead time confirmed when you order
321257 Caterpillar 5L2727
Caterpillar 5P8068
Caterpillar Viton O-Ring, PAI (OEM 5P8068), Pack of 5 CATERPILLAR 3400 SERIES $41.85 Ships from supplier · Lead time confirmed when you order
321256 Caterpillar 7M8927
Caterpillar 8T7138
Caterpillar 9M7002
Caterpillar Silicone O-Ring, PAI (OEM 9M7002), Pack of 5 CATERPILLAR 3400 SERIES $18.75 Ships from supplier · Lead time confirmed when you order
321253 Caterpillar 1S8947
Caterpillar 5P3949
Caterpillar 77-6629
+6 more
Caterpillar Buna N O-Ring, PAI (OEM 1S8947), Pack of 5 CATERPILLAR 3400 SERIES $14.95 Ships from supplier · Lead time confirmed when you order
321251 Caterpillar 061-7539
Caterpillar 0617539
Caterpillar 61-7539
+5 more
Caterpillar Viton O-Ring, PAI (OEM 617539), Pack of 10 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$47.40 Ships from supplier · Lead time confirmed when you order
321250 Caterpillar 8M5249
Caterpillar 8T7318
Cummins 216187
Caterpillar Silicone O-Ring, PAI (OEM 8M5249), Pack of 6 CATERPILLAR 3400 SERIES $19.20 Ships from supplier · Lead time confirmed when you order
321249 Caterpillar 323-7347
Caterpillar 3237347
Caterpillar 6J2245
+7 more
Caterpillar Viton O-Ring, PAI (OEM 6J2245), Pack of 10 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+10 more
$31.80 Ships from supplier · Lead time confirmed when you order
321248 Caterpillar 3S5496 Caterpillar O-Ring, PAI (OEM 3S5496), Pack of 4 CATERPILLAR 3400 SERIES $11.96 Ships from supplier · Lead time confirmed when you order
321245 Caterpillar 5M2057
Caterpillar 62-6700
Caterpillar 626700
+2 more
Caterpillar Buna N O-Ring, PAI (OEM 5M2057), Pack of 5 CATERPILLAR 3400 SERIES $14.95 Ships from supplier · Lead time confirmed when you order
321241 Caterpillar 238-5079
Caterpillar 2385079
Caterpillar 5P7813
+7 more
Caterpillar Viton O-Ring, PAI (OEM 5P7813), Pack of 5 CATERPILLAR 3400 SERIES
CATERPILLAR 3406B SERIES
$16.00 Ships from supplier · Lead time confirmed when you order
321239 Caterpillar 06-3710
Caterpillar 063710
Caterpillar 2U5316
+17 more
Caterpillar / Cummins 3406E / C15 / C16 O-Ring CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+7 more
$14.95 Ships from supplier · Lead time confirmed when you order
321238 Caterpillar 10-9396
Caterpillar 109-4793
Caterpillar 109396
+8 more
Caterpillar Buna N O-Ring, PAI (OEM 4D9986), Pack of 4 CATERPILLAR 3400 SERIES $11.96 Ships from supplier · Lead time confirmed when you order
321237 — Caterpillar Buna N O-Ring, PAI (OEM 6H9691), Pack of 5 Caterpillar 3400 $1.60 In stock
321233 Caterpillar 5H7704
Caterpillar 6L8166
Caterpillar 7M2089
+1 more
Caterpillar Silicone O-Ring, PAI (OEM 5H7704), Pack of 4 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$21.28 Ships from supplier · Lead time confirmed when you order
321228 Caterpillar 005-8159
Caterpillar 0058159
Caterpillar 030-7918
+39 more
Caterpillar Buna-N O-Ring, PAI (OEM 2M9780), Pack of 10 CATERPILLAR 3400 SERIES
CATERPILLAR 3100 SERIES
+2 more
$29.90 Ships from supplier · Lead time confirmed when you order
321222 Caterpillar 117-1385
Caterpillar 1171385
Caterpillar 132-2072
+5 more
Caterpillar Buna N O-Ring, PAI (OEM 1171385), Pack of 6 CATERPILLAR 3400 SERIES $17.94 Ships from supplier · Lead time confirmed when you order
321219 Caterpillar 8C5196 Caterpillar O-Ring, PAI (OEM 8C5196), Pack of 5 CATERPILLAR 3400 SERIES $14.95 Ships from supplier · Lead time confirmed when you order
321218 Caterpillar 077-3520
Caterpillar 109-0093
Caterpillar 1090093
+2 more
Caterpillar Buna N O-Ring, PAI (OEM 4J7533), Pack of 5 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$14.95 Ships from supplier · Lead time confirmed when you order
321217 Caterpillar 109-0076
Caterpillar 1090076
Caterpillar 6L1651
+1 more
Caterpillar HNBR O-Ring, PAI (OEM 1090076), Pack of 6 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$32.70 Ships from supplier · Lead time confirmed when you order
321216 Caterpillar 078-1986
Caterpillar 0781986
Caterpillar 2U0902
+6 more
Caterpillar Buna N O-Ring, PAI (OEM 5K5959), Pack of 6 CATERPILLAR 3400 SERIES $17.94 Ships from supplier · Lead time confirmed when you order
321214 Caterpillar 1H1023
Caterpillar 7C0031
Caterpillar Buna N O-Ring, PAI (OEM 1H1023), Pack of 6 CATERPILLAR 3400 SERIES $4.92 Ships from supplier · Lead time confirmed when you order
321213 Caterpillar 2N5749
Caterpillar 2S2251
Caterpillar 8S4190
+1 more
Caterpillar Silicone O-Ring, PAI (OEM 2S2251), Pack of 6 CATERPILLAR 3400 SERIES $17.94 Ships from supplier · Lead time confirmed when you order
321211 Caterpillar 4L8337
Caterpillar 3K3611
Caterpillar 4M5434
+2 more
Caterpillar Silicone Air Intake O-Ring, PAI (OEM 4L8337), Pack of 6 CATERPILLAR 3400 SERIES $27.90 Ships from supplier · Lead time confirmed when you order
321210 Caterpillar 5S1188 Caterpillar O-Ring, PAI (OEM 5S1188), Pack of 6 CATERPILLAR 3400 SERIES $18.30 Ships from supplier · Lead time confirmed when you order
121308 Caterpillar 8C-5230
Caterpillar 8C5230
Cummins 3678756
+3 more
HNBR O-Ring, PAI (OEM 3678756), Pack of 5 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$20.95 Ships from supplier · Lead time confirmed when you order
121282 Caterpillar 6V5049
Cummins 3330159
Viton O-Ring, PAI (OEM 3330159), Pack of 10 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$5.60 Ships from supplier · Lead time confirmed when you order
121252 Caterpillar 2918148
Cummins 3035228
Mack 6635-71150911
+1 more
Buna N O-Ring, PAI (OEM 3035228), Pack of 10 CATERPILLAR 3400 SERIES $29.90 Ships from supplier · Lead time confirmed when you order

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