Product Description
Valve Seat (Qty. 25)
1986 GMC G2500 4.3L / 262 OHV V6 12V Vortec Chev. 4.000" Bore 85-16
#PN-ST15621PM-25-236Valve Seat - ST15621PM-25
Details Value Part number ST15621PM-25 Sizes available N/A
Package detail
Attribute Value Package Size 2x2x6" Weight 1.2 lbs
Product notes
Enginetech Valve Guides and Seats.
Enginetech Valve guides and Seats are made to OEM quality and specifications. Because of request of our customers the valve guides and seats were added to the Enginetech line of products to help the customer achieve one stop shop.
Also fits
Category Make Model User engine Year range Notes Car FORD 2.3L / 140 SOHC L4 8V Natural Asp. 3.780" Bore 74-93 74-93 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). Car FORD 2.4L / 144 OHV L6 12V "D,S" 3.500" Bore 60-64 60-64 Intake. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). Car FORD 4.2L / 255 OHV V8 16V "D" 3.680" Bore 80-82 80-82 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). Car FORD 4.7L / 289 OHV V8 16V 4.000" Bore 63-68 63-68 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). Car FORD 5.0L / 302 OHV V8 16V 4.000" Bore 68-95 68-95 Exhaust. See ST15621PM applications. 1.3125 x 1.5642 x .2188". 45 Deg. Hi-Chrome sintered. (25 pack). Car FORD 5.8L / 351 OHV V8 16V "G,H,M" Windsor 4.000" Bore 69-91 75-91 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). Car GM 2.5L / 151 OHV L4 8V "1,2,5,9,R,U,V" Pont. 4.000" Bore 77-92 77-92 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). Car GM 3.8L / 229 OHV V6 12V "9,K" Chev. 3.736" Bore 80-84 80-84 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). Car GM 4.3L / 262 OHV V6 12V "Z" Chev. 4.000" Bore 85-93 85-93 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). Car GM 4.3L / 262 OHV V6 12V Vortec Chev. 4.000" Bore 85-16 85-14 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). Car GM 4.5L / 273 OHV V8 16V "3,5,8" Cad. 92.00mm Bore 88-92 90-92 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). Car GM 4.9L / 298 OHV V8 16V "B" Cad. 92.00mm Bore 91-95 91-95 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). Car GM 5.0L / 305 OHV V8 16V Chev. 3.736" Bore 76-93 76-93 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). Car GM 5.0L / 307 OHV V8 16V "Y,9" Olds. 3.800" Bore 80-90 80-90 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). Car GM 5.7L / 350 OHV V8 16V Chev. 4.000" Bore 67-97 67-93 Except "P". Exhaust. 1.438 x 1.6925 x .2188". 45 Deg. Powdered metal. With 1.500" - 1.530" valve head diameter. (25 pack). Car GM 6.6L / 400 OHV V8 16V Chev. 4.125" Bore 70-76 70-76 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. With 1.500" - 1.530" valve head diameter. (25 pack). TRUCK, VAN, SUV AM General 5.7L / 350 OHV V8 16V Chev. 4.060 Bore 95-96 95-95 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). TRUCK, VAN, SUV FORD 2.3L / 140 SOHC L4 8V "2,A,B" 3.780" Bore 77-97 77-97 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). TRUCK, VAN, SUV FORD 2.4L / 144 OHV L6 12V "D,S" 3.500" Bore 60-64 60-64 Intake. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). TRUCK, VAN, SUV FORD 4.2L / 255 OHV V8 16V "D" 3.680" Bore 81-82 81-82 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). TRUCK, VAN, SUV FORD 4.7L / 289 OHV V8 16V 4.000" Bore 66-67 66-67 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). TRUCK, VAN, SUV FORD 5.0L / 302 OHV V8 16V 4.000" Bore 68-01 68-01 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. Ex. LPG. (25 pack). TRUCK, VAN, SUV FORD 5.8L / 351 OHV V8 16V "G,H,M,R" Windsor 4.000" Bore 69-97 75-97 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. Ex. LPG or F-150 Lightning. (25 pack). TRUCK, VAN, SUV GM, CHEVROLET 3.8L / 229 OHV V6 12V "9,K" Chev. 3.736" Bore 80-84 80-84 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). TRUCK, VAN, SUV GM, CHEVROLET 4.3L / 262 OHV V6 12V Vortec Chev. 4.000" Bore 85-16 85-14 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). TRUCK, VAN, SUV GM, CHEVROLET 4.3L / 262 OHV V6 12V "Z" Chev. Turbo 4.000" Bore 91-93 91-93 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). TRUCK, VAN, SUV GM, CHEVROLET 4.8L / 292 OHV L6 12V Chev. 3.875" Bore 63-89 63-89 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. Ex. LPG. (25 pack). TRUCK, VAN, SUV GM, CHEVROLET 5.0L / 305 OHV V8 16V Chev. 3.736" Bore 76-02 76-02 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. Exc. LPG. (25 pack). TRUCK, VAN, SUV GM, CHEVROLET 5.7L / 350 OHV V8 16V Chev. 4.000" Bore 68-02 68-95 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. Ex. LPG. (25 pack). TRUCK, VAN, SUV GM, CHEVROLET 6.6L / 400 OHV V8 16V Chev. 4.125" Bore 70-80 70-80 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). TRUCK, VAN, SUV Mazda 2.3L / 2302 SOHC L4 8V Ford 96.00mm Bore 94-97 94-97 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). TRUCK, VAN, SUV Workhorse 4.3L / 262 OHV V6 12V Vortec Chev. 4.000" Bore 85-16 85-14 Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack).
Vehicle-Specific Engine Part Information
1986 GMC G2500 4.3L Valve Seat (Qty. 25) Enginetech ST15621PM-25. This valve seat (qty. 25) is listed for the 1986 GMC G2500 4.3L engine application. Match the engine configuration and manufacturer part number before ordering parts for your rebuild or repair.
Manufacturer application notes: Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack).
For a 1986 GMC G2500 4.3L engine repair, the same part may be identified as 1986 GMC G2500 Valve Seat (Qty. 25), GMC G2500 4.3L Valve Seat (Qty. 25), Valve Seat (Qty. 25) for 1986 GMC G2500 4.3L. These vehicle-specific descriptions help distinguish the required valve seat (qty. 25) from other engine components used on similar vehicles.
Additional application-specific terminology includes 1986 GMC 4.3L Valve Seat (Qty. 25), GMC G2500 Valve Seat (Qty. 25), 4.3L GMC G2500 Valve Seat (Qty. 25), 1986 GMC G2500 Engine Valve Seat (Qty. 25). All of these references concern the same Enginetech ST15621PM-25 listing; they do not indicate extra components in the package.
Whether you are refreshing a worn engine or completing a full rebuild of a 1986 GMC G2500 4.3L, selecting the right valve seat (qty. 25) depends on accurate engine identification. Check the engine code, relevant dimensions and any vehicle-specific installation restrictions against your existing components. This listing identifies Enginetech ST15621PM-25; verify the correct configuration before purchasing.
Professional Engine Rebuilders offers this valve seat (qty. 25) for shoppers searching by the 1986 GMC G2500 4.3L application, Enginetech manufacturer number ST15621PM-25, or the unique vehicle-specific listing number PN-ST15621PM-25-236. Confirm fitment, selected sizes and exact package contents on the product page. Cross-reference part numbers are provided for identification and comparison, not as substitutes for fitment verification.
Valve Seat - ST15621PM-25
| Details | Value |
|---|---|
| Part number | ST15621PM-25 |
| Sizes available | N/A |
Package detail
| Attribute | Value |
|---|---|
| Package Size | 2x2x6" |
| Weight | 1.2 lbs |
Product notes
Enginetech Valve Guides and Seats.
Enginetech Valve guides and Seats are made to OEM quality and specifications. Because of request of our customers the valve guides and seats were added to the Enginetech line of products to help the customer achieve one stop shop.
Also fits
| Category | Make | Model | User engine | Year range | Notes |
|---|---|---|---|---|---|
| Car | FORD | 2.3L / 140 SOHC L4 8V Natural Asp. 3.780" Bore 74-93 | 74-93 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| Car | FORD | 2.4L / 144 OHV L6 12V "D,S" 3.500" Bore 60-64 | 60-64 | Intake. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| Car | FORD | 4.2L / 255 OHV V8 16V "D" 3.680" Bore 80-82 | 80-82 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| Car | FORD | 4.7L / 289 OHV V8 16V 4.000" Bore 63-68 | 63-68 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| Car | FORD | 5.0L / 302 OHV V8 16V 4.000" Bore 68-95 | 68-95 | Exhaust. See ST15621PM applications. 1.3125 x 1.5642 x .2188". 45 Deg. Hi-Chrome sintered. (25 pack). | |
| Car | FORD | 5.8L / 351 OHV V8 16V "G,H,M" Windsor 4.000" Bore 69-91 | 75-91 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| Car | GM | 2.5L / 151 OHV L4 8V "1,2,5,9,R,U,V" Pont. 4.000" Bore 77-92 | 77-92 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| Car | GM | 3.8L / 229 OHV V6 12V "9,K" Chev. 3.736" Bore 80-84 | 80-84 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| Car | GM | 4.3L / 262 OHV V6 12V "Z" Chev. 4.000" Bore 85-93 | 85-93 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| Car | GM | 4.3L / 262 OHV V6 12V Vortec Chev. 4.000" Bore 85-16 | 85-14 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| Car | GM | 4.5L / 273 OHV V8 16V "3,5,8" Cad. 92.00mm Bore 88-92 | 90-92 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| Car | GM | 4.9L / 298 OHV V8 16V "B" Cad. 92.00mm Bore 91-95 | 91-95 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| Car | GM | 5.0L / 305 OHV V8 16V Chev. 3.736" Bore 76-93 | 76-93 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| Car | GM | 5.0L / 307 OHV V8 16V "Y,9" Olds. 3.800" Bore 80-90 | 80-90 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| Car | GM | 5.7L / 350 OHV V8 16V Chev. 4.000" Bore 67-97 | 67-93 | Except "P". Exhaust. 1.438 x 1.6925 x .2188". 45 Deg. Powdered metal. With 1.500" - 1.530" valve head diameter. (25 pack). | |
| Car | GM | 6.6L / 400 OHV V8 16V Chev. 4.125" Bore 70-76 | 70-76 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. With 1.500" - 1.530" valve head diameter. (25 pack). | |
| TRUCK, VAN, SUV | AM General | 5.7L / 350 OHV V8 16V Chev. 4.060 Bore 95-96 | 95-95 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| TRUCK, VAN, SUV | FORD | 2.3L / 140 SOHC L4 8V "2,A,B" 3.780" Bore 77-97 | 77-97 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| TRUCK, VAN, SUV | FORD | 2.4L / 144 OHV L6 12V "D,S" 3.500" Bore 60-64 | 60-64 | Intake. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| TRUCK, VAN, SUV | FORD | 4.2L / 255 OHV V8 16V "D" 3.680" Bore 81-82 | 81-82 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| TRUCK, VAN, SUV | FORD | 4.7L / 289 OHV V8 16V 4.000" Bore 66-67 | 66-67 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| TRUCK, VAN, SUV | FORD | 5.0L / 302 OHV V8 16V 4.000" Bore 68-01 | 68-01 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. Ex. LPG. (25 pack). | |
| TRUCK, VAN, SUV | FORD | 5.8L / 351 OHV V8 16V "G,H,M,R" Windsor 4.000" Bore 69-97 | 75-97 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. Ex. LPG or F-150 Lightning. (25 pack). | |
| TRUCK, VAN, SUV | GM, CHEVROLET | 3.8L / 229 OHV V6 12V "9,K" Chev. 3.736" Bore 80-84 | 80-84 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| TRUCK, VAN, SUV | GM, CHEVROLET | 4.3L / 262 OHV V6 12V Vortec Chev. 4.000" Bore 85-16 | 85-14 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| TRUCK, VAN, SUV | GM, CHEVROLET | 4.3L / 262 OHV V6 12V "Z" Chev. Turbo 4.000" Bore 91-93 | 91-93 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| TRUCK, VAN, SUV | GM, CHEVROLET | 4.8L / 292 OHV L6 12V Chev. 3.875" Bore 63-89 | 63-89 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. Ex. LPG. (25 pack). | |
| TRUCK, VAN, SUV | GM, CHEVROLET | 5.0L / 305 OHV V8 16V Chev. 3.736" Bore 76-02 | 76-02 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. Exc. LPG. (25 pack). | |
| TRUCK, VAN, SUV | GM, CHEVROLET | 5.7L / 350 OHV V8 16V Chev. 4.000" Bore 68-02 | 68-95 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. Ex. LPG. (25 pack). | |
| TRUCK, VAN, SUV | GM, CHEVROLET | 6.6L / 400 OHV V8 16V Chev. 4.125" Bore 70-80 | 70-80 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| TRUCK, VAN, SUV | Mazda | 2.3L / 2302 SOHC L4 8V Ford 96.00mm Bore 94-97 | 94-97 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). | |
| TRUCK, VAN, SUV | Workhorse | 4.3L / 262 OHV V6 12V Vortec Chev. 4.000" Bore 85-16 | 85-14 | Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack). |
Vehicle-Specific Engine Part Information
1986 GMC G2500 4.3L Valve Seat (Qty. 25) Enginetech ST15621PM-25. This valve seat (qty. 25) is listed for the 1986 GMC G2500 4.3L engine application. Match the engine configuration and manufacturer part number before ordering parts for your rebuild or repair.
Manufacturer application notes: Exhaust. 1.3125 x 1.5642 x .2188". 45 Deg. Powdered metal. (25 pack).
For a 1986 GMC G2500 4.3L engine repair, the same part may be identified as 1986 GMC G2500 Valve Seat (Qty. 25), GMC G2500 4.3L Valve Seat (Qty. 25), Valve Seat (Qty. 25) for 1986 GMC G2500 4.3L. These vehicle-specific descriptions help distinguish the required valve seat (qty. 25) from other engine components used on similar vehicles.
Additional application-specific terminology includes 1986 GMC 4.3L Valve Seat (Qty. 25), GMC G2500 Valve Seat (Qty. 25), 4.3L GMC G2500 Valve Seat (Qty. 25), 1986 GMC G2500 Engine Valve Seat (Qty. 25). All of these references concern the same Enginetech ST15621PM-25 listing; they do not indicate extra components in the package.
Whether you are refreshing a worn engine or completing a full rebuild of a 1986 GMC G2500 4.3L, selecting the right valve seat (qty. 25) depends on accurate engine identification. Check the engine code, relevant dimensions and any vehicle-specific installation restrictions against your existing components. This listing identifies Enginetech ST15621PM-25; verify the correct configuration before purchasing.
Professional Engine Rebuilders offers this valve seat (qty. 25) for shoppers searching by the 1986 GMC G2500 4.3L application, Enginetech manufacturer number ST15621PM-25, or the unique vehicle-specific listing number PN-ST15621PM-25-236. Confirm fitment, selected sizes and exact package contents on the product page. Cross-reference part numbers are provided for identification and comparison, not as substitutes for fitment verification.
